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10992631 = 133127277
BaseRepresentation
bin101001111011…
…101111110111
3202200111001111
4221323233313
510303231011
61031335451
7162302326
oct51735767
922614044
1010992631
116228a21
123821587
13237b620
1416620bd
15e72121
hexa7bbf7

10992631 has 8 divisors (see below), whose sum is σ = 12220544. Its totient is φ = 9819360.

The previous prime is 10992629. The next prime is 10992647. The reversal of 10992631 is 13629901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10992631 - 21 = 10992629 is a prime.

It is a super-2 number, since 2×109926312 = 241675872604322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10992593 and 10992602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10992601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13236 + ... + 14041.

It is an arithmetic number, because the mean of its divisors is an integer number (1527568).

Almost surely, 210992631 is an apocalyptic number.

10992631 is a deficient number, since it is larger than the sum of its proper divisors (1227913).

10992631 is a wasteful number, since it uses less digits than its factorization.

10992631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27321.

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

The square root of 10992631 is about 3315.5136856903. The cubic root of 10992631 is about 222.3483358137.

The spelling of 10992631 in words is "ten million, nine hundred ninety-two thousand, six hundred thirty-one".

Divisors: 1 13 31 403 27277 354601 845587 10992631