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1421310300 = 2235223297103
BaseRepresentation
bin101010010110111…
…0111100101011100
310200001110001012020
41110231313211130
510402323412200
6353011340140
750135636544
oct12455674534
93601401166
101421310300
1166a324513
12337bb1650
13198600417
14d6a9c324
1584ba3ea0
hex54b7795c

1421310300 has 144 divisors (see below), whose sum is σ = 4439715840. Its totient is φ = 349986560.

The previous prime is 1421310229. The next prime is 1421310311. The reversal of 1421310300 is 30131241.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1421310300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 196549 + ... + 203651.

It is an arithmetic number, because the mean of its divisors is an integer number (30831360).

Almost surely, 21421310300 is an apocalyptic number.

1421310300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421310300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2219857920).

1421310300 is an abundant number, since it is smaller than the sum of its proper divisors (3018405540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421310300 is a wasteful number, since it uses less digits than its factorization.

1421310300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7172 (or 7165 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1421310300 is about 37700.2692298079. The cubic root of 1421310300 is about 1124.3364778691.

Adding to 1421310300 its reverse (30131241), we get a palindrome (1451441541).

The spelling of 1421310300 in words is "one billion, four hundred twenty-one million, three hundred ten thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 25 29 30 46 50 58 60 69 75 87 92 100 115 116 138 145 150 174 230 276 290 300 345 348 435 460 575 580 667 690 725 870 1150 1334 1380 1450 1725 1740 2001 2175 2300 2668 2900 3335 3450 4002 4350 6670 6900 7103 8004 8700 10005 13340 14206 16675 20010 21309 28412 33350 35515 40020 42618 50025 66700 71030 85236 100050 106545 142060 163369 177575 200100 205987 213090 326738 355150 411974 426180 490107 532725 617961 653476 710300 816845 823948 980214 1029935 1065450 1235922 1633690 1960428 2059870 2130900 2450535 2471844 3089805 3267380 4084225 4119740 4737701 4901070 5149675 6179610 8168450 9475402 9802140 10299350 12252675 12359220 14213103 15449025 16336900 18950804 20598700 23688505 24505350 28426206 30898050 47377010 49010700 56852412 61796100 71065515 94754020 118442525 142131030 236885050 284262060 355327575 473770100 710655150 1421310300