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23258374420 = 2251453800357
BaseRepresentation
bin10101101010010011…
…101010000100010100
32020000220201211122211
4111222103222010110
5340113120440140
614403523403204
71452235630531
oct255223520424
966026654584
1023258374420
119955822a46
124611223504
132268774538
1411a8d47d88
15911d4a2ea
hex56a4ea114

23258374420 has 24 divisors (see below), whose sum is σ = 48876262344. Its totient is φ = 9296935296.

The previous prime is 23258374393. The next prime is 23258374421. The reversal of 23258374420 is 2447385232.

It can be written as a sum of positive squares in 4 ways, for example, as 12275753616 + 10982620804 = 110796^2 + 104798^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23258374421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371119 + ... + 429238.

It is an arithmetic number, because the mean of its divisors is an integer number (2036510931).

Almost surely, 223258374420 is an apocalyptic number.

23258374420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23258374420 is an abundant number, since it is smaller than the sum of its proper divisors (25617887924).

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

23258374420 is a wasteful number, since it uses less digits than its factorization.

23258374420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801819 (or 801817 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 40.

The spelling of 23258374420 in words is "twenty-three billion, two hundred fifty-eight million, three hundred seventy-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1453 2906 5812 7265 14530 29060 800357 1600714 3201428 4001785 8003570 16007140 1162918721 2325837442 4651674884 5814593605 11629187210 23258374420