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23470438 = 2172273041
BaseRepresentation
bin101100110001…
…0000101100110
31122011102101111
41121202011212
522002023223
62155015234
7403331635
oct131420546
948142344
1023470438
1112280762
127a3a51a
134b29c44
14318d51c
1520d930d
hex1662166

23470438 has 16 divisors (see below), whose sum is σ = 37453104. Its totient is φ = 10992640.

The previous prime is 23470427. The next prime is 23470463. The reversal of 23470438 is 83407432.

It is a happy number.

It is a super-2 number, since 2×234704382 = 1101722919823688, which contains 22 as substring.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 6198 + ... + 9238.

It is an arithmetic number, because the mean of its divisors is an integer number (2340819).

Almost surely, 223470438 is an apocalyptic number.

23470438 is a deficient number, since it is larger than the sum of its proper divisors (13982666).

23470438 is a wasteful number, since it uses less digits than its factorization.

23470438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 23470438 is about 4844.6298104190. The cubic root of 23470438 is about 286.3125586782.

The spelling of 23470438 in words is "twenty-three million, four hundred seventy thousand, four hundred thirty-eight".

Divisors: 1 2 17 34 227 454 3041 3859 6082 7718 51697 103394 690307 1380614 11735219 23470438