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10537681 = 7111071279
BaseRepresentation
bin101000001100…
…101011010001
3201211100222111
4220030223101
510144201211
61013505321
7155366050
oct50145321
921740874
1010537681
115a48130
123642241
13224c51b
141584397
15dd2421
hexa0cad1

10537681 has 16 divisors (see below), whose sum is σ = 13271040. Its totient is φ = 8128080.

The previous prime is 10537679. The next prime is 10537687. The reversal of 10537681 is 18673501.

It is a cyclic number.

It is not a de Polignac number, because 10537681 - 21 = 10537679 is a prime.

It is a super-2 number, since 2×105376812 = 222085441715522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10537687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7600 + ... + 8878.

It is an arithmetic number, because the mean of its divisors is an integer number (829440).

Almost surely, 210537681 is an apocalyptic number.

10537681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10537681 is a deficient number, since it is larger than the sum of its proper divisors (2733359).

10537681 is a wasteful number, since it uses less digits than its factorization.

10537681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 10537681 is about 3246.1794466727. The cubic root of 10537681 is about 219.2375881804.

The spelling of 10537681 in words is "ten million, five hundred thirty-seven thousand, six hundred eighty-one".

Divisors: 1 7 11 77 107 749 1177 1279 8239 8953 14069 98483 136853 957971 1505383 10537681