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23630442 = 23111721061
BaseRepresentation
bin101101000100…
…1001001101010
31122110112212120
41122021021222
522022133232
62202252110
7404566263
oct132111152
948415776
1023630442
111237a9a0
127ab7036
134b84a14
1431d196a
15211b92c
hex168926a

23630442 has 32 divisors (see below), whose sum is σ = 54592704. Its totient is φ = 6739200.

The previous prime is 23630423. The next prime is 23630513. The reversal of 23630442 is 24403632.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 9409 + ... + 11652.

It is an arithmetic number, because the mean of its divisors is an integer number (1706022).

Almost surely, 223630442 is an apocalyptic number.

23630442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23630442 is an abundant number, since it is smaller than the sum of its proper divisors (30962262).

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

23630442 is a wasteful number, since it uses less digits than its factorization.

23630442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21094.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 23630442 is about 4861.1153041252. The cubic root of 23630442 is about 286.9617078334.

The spelling of 23630442 in words is "twenty-three million, six hundred thirty thousand, four hundred forty-two".

Divisors: 1 2 3 6 11 17 22 33 34 51 66 102 187 374 561 1122 21061 42122 63183 126366 231671 358037 463342 695013 716074 1074111 1390026 2148222 3938407 7876814 11815221 23630442