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23203328 = 2945319
BaseRepresentation
bin101100010000…
…0111000000000
31121122211222112
41120200320000
521420001303
62145154452
7401140121
oct130407000
947584875
1023203328
1112109005
12792ba28
134a654a5
143120048
1520850d8
hex1620e00

23203328 has 20 divisors (see below), whose sum is σ = 46362360. Its totient is φ = 11601408.

The previous prime is 23203321. The next prime is 23203331. The reversal of 23203328 is 82330232.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23203321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22148 + ... + 23171.

It is an arithmetic number, because the mean of its divisors is an integer number (2318118).

Almost surely, 223203328 is an apocalyptic number.

It is an amenable number.

23203328 is a deficient number, since it is larger than the sum of its proper divisors (23159032).

23203328 is an frugal number, since it uses more digits than its factorization.

23203328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45337 (or 45321 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 23203328 is about 4816.9832883248. The cubic root of 23203328 is about 285.2222663385. Note that the first 4 decimals are identical.

The spelling of 23203328 in words is "twenty-three million, two hundred three thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 512 45319 90638 181276 362552 725104 1450208 2900416 5800832 11601664 23203328