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23325428 = 2271749003
BaseRepresentation
bin101100011111…
…0101011110100
31121220001110202
41120332223310
521432403203
62151540032
7402156110
oct130765364
947801422
1023325428
1112191815
12798a618
134aa8c39
143152740
1520ab388
hex163eaf4

23325428 has 24 divisors (see below), whose sum is σ = 49396032. Its totient is φ = 9408384.

The previous prime is 23325413. The next prime is 23325443. The reversal of 23325428 is 82452332.

It is an interprime number because it is at equal distance from previous prime (23325413) and next prime (23325443).

It is a self number, because there is not a number n which added to its sum of digits gives 23325428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24026 + ... + 24977.

It is an arithmetic number, because the mean of its divisors is an integer number (2058168).

Almost surely, 223325428 is an apocalyptic number.

23325428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23325428 is an abundant number, since it is smaller than the sum of its proper divisors (26070604).

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

23325428 is a wasteful number, since it uses less digits than its factorization.

23325428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49031 (or 49029 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 23325428 is about 4829.6405663362. The cubic root of 23325428 is about 285.7216879511.

The spelling of 23325428 in words is "twenty-three million, three hundred twenty-five thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 49003 98006 196012 343021 686042 833051 1372084 1666102 3332204 5831357 11662714 23325428