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23406994 = 2131752957
BaseRepresentation
bin101100101001…
…0100110010010
31122001012100201
41121102212102
521443010434
62153405414
7402645652
oct131224622
948035321
1023406994
1112238026
127a0986a
134b070c0
143174362
1520c5614
hex1652992

23406994 has 16 divisors (see below), whose sum is σ = 40036248. Its totient is φ = 10167552.

The previous prime is 23406991. The next prime is 23407001. The reversal of 23406994 is 49960432.

It can be written as a sum of positive squares in 4 ways, for example, as 11812969 + 11594025 = 3437^2 + 3405^2 .

It is not an unprimeable number, because it can be changed into a prime (23406991) by changing a digit.

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, 26037 + ... + 26920.

Almost surely, 223406994 is an apocalyptic number.

23406994 is a deficient number, since it is larger than the sum of its proper divisors (16629254).

23406994 is a wasteful number, since it uses less digits than its factorization.

23406994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52989.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 23406994 is about 4838.0775107474. The cubic root of 23406994 is about 286.0543444092.

The spelling of 23406994 in words is "twenty-three million, four hundred six thousand, nine hundred ninety-four".

Divisors: 1 2 13 17 26 34 221 442 52957 105914 688441 900269 1376882 1800538 11703497 23406994