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1402230420 = 2233523112901
BaseRepresentation
bin101001110010100…
…0101011010010100
310121201112200112000
41103211011122110
510332432333140
6351050355300
746514522223
oct12345053224
93551480460
101402230420
1165a582518
1233172bb30
1319467ca56
14d4332cba
1583185a30
hex53945694

1402230420 has 96 divisors (see below), whose sum is σ = 4552208640. Its totient is φ = 357667200.

The previous prime is 1402230413. The next prime is 1402230451. The reversal of 1402230420 is 240322041.

1402230420 is a `hidden beast` number, since 14 + 0 + 2 + 230 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1402230393 and 1402230402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44031 + ... + 68870.

It is an arithmetic number, because the mean of its divisors is an integer number (47418840).

Almost surely, 21402230420 is an apocalyptic number.

1402230420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402230420 is an abundant number, since it is smaller than the sum of its proper divisors (3149978220).

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

1402230420 is a wasteful number, since it uses less digits than its factorization.

1402230420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112942 (or 112934 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1402230420 is about 37446.3672470375. The cubic root of 1402230420 is about 1119.2827092977.

Adding to 1402230420 its reverse (240322041), we get a palindrome (1642552461).

The spelling of 1402230420 in words is "one billion, four hundred two million, two hundred thirty thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 23 27 30 36 45 46 54 60 69 90 92 108 115 135 138 180 207 230 270 276 345 414 460 540 621 690 828 1035 1242 1380 2070 2484 3105 4140 6210 12420 112901 225802 338703 451604 564505 677406 1016109 1129010 1354812 1693515 2032218 2258020 2596723 3048327 3387030 4064436 5080545 5193446 6096654 6774060 7790169 10161090 10386892 12193308 12983615 15241635 15580338 20322180 23370507 25967230 30483270 31160676 38950845 46741014 51934460 60966540 70111521 77901690 93482028 116852535 140223042 155803380 233705070 280446084 350557605 467410140 701115210 1402230420