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1421414420 = 2254753103277
BaseRepresentation
bin101010010111001…
…0001000000010100
310200001122100000112
41110232101000110
510402340230140
6353013502152
750136552236
oct12456210024
93601570015
101421414420
1166a395768
12338041958
1319863892a
14d6ac8256
1584bc4c65
hex54b91014

1421414420 has 96 divisors (see below), whose sum is σ = 3147475968. Its totient is φ = 538716672.

The previous prime is 1421414419. The next prime is 1421414431. The reversal of 1421414420 is 244141241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5131322 + ... + 5131598.

It is an arithmetic number, because the mean of its divisors is an integer number (32786208).

Almost surely, 21421414420 is an apocalyptic number.

1421414420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421414420 is an abundant number, since it is smaller than the sum of its proper divisors (1726061548).

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

1421414420 is a wasteful number, since it uses less digits than its factorization.

1421414420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 487 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1421414420 is about 37701.6500965143. The cubic root of 1421414420 is about 1124.3639321263.

Adding to 1421414420 its reverse (244141241), we get a palindrome (1665555661).

The spelling of 1421414420 in words is "one billion, four hundred twenty-one million, four hundred fourteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 47 53 94 103 106 188 206 212 235 265 277 412 470 515 530 554 940 1030 1060 1108 1385 2060 2491 2770 4841 4982 5459 5540 9682 9964 10918 12455 13019 14681 19364 21836 24205 24910 26038 27295 28531 29362 48410 49820 52076 54590 57062 58724 65095 73405 96820 109180 114124 130190 142655 146810 256573 260380 285310 293620 513146 570620 690007 1026292 1282865 1340957 1380014 1512143 2565730 2681914 2760028 3024286 3450035 5131460 5363828 6048572 6704785 6900070 7560715 13409570 13800140 15121430 26819140 30242860 71070721 142141442 284282884 355353605 710707210 1421414420