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10137918 = 237281859
BaseRepresentation
bin100110101011…
…000100111110
3201002001121110
4212223010332
510043403133
61001142450
7152112420
oct46530476
921061543
1010137918
1157a484a
12348aa26
13213c58b
1414bc810
15d53c63
hex9ab13e

10137918 has 32 divisors (see below), whose sum is σ = 23281920. Its totient is φ = 2882880.

The previous prime is 10137913. The next prime is 10137931. The reversal of 10137918 is 81973101.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10137913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11373 + ... + 12231.

It is an arithmetic number, because the mean of its divisors is an integer number (727560).

Almost surely, 210137918 is an apocalyptic number.

10137918 is an abundant number, since it is smaller than the sum of its proper divisors (13144002).

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

10137918 is a wasteful number, since it uses less digits than its factorization.

10137918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 10137918 is about 3184.0097361660. The cubic root of 10137918 is about 216.4294012849.

The spelling of 10137918 in words is "ten million, one hundred thirty-seven thousand, nine hundred eighteen".

Divisors: 1 2 3 6 7 14 21 42 281 562 843 859 1686 1718 1967 2577 3934 5154 5901 6013 11802 12026 18039 36078 241379 482758 724137 1448274 1689653 3379306 5068959 10137918