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10906690 = 251764157
BaseRepresentation
bin101001100110…
…110001000010
3202112010011111
4221212301002
510243003230
61025433534
7161463634
oct51466102
922463144
1010906690
11617a3a3
12379b8aa
13234b482
14163ca54
15e5692a
hexa66c42

10906690 has 16 divisors (see below), whose sum is σ = 20787192. Its totient is φ = 4105984.

The previous prime is 10906657. The next prime is 10906733. The reversal of 10906690 is 9660901.

It can be written as a sum of positive squares in 4 ways, for example, as 10870209 + 36481 = 3297^2 + 191^2 .

It is a super-2 number, since 2×109066902 = 237911773512200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31909 + ... + 32248.

Almost surely, 210906690 is an apocalyptic number.

10906690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10906690 is a deficient number, since it is larger than the sum of its proper divisors (9880502).

10906690 is a wasteful number, since it uses less digits than its factorization.

10906690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64181.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 10906690 is about 3302.5278197163. The cubic root of 10906690 is about 221.7673752976.

The spelling of 10906690 in words is "ten million, nine hundred six thousand, six hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 64157 128314 320785 641570 1090669 2181338 5453345 10906690