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10712991 = 38234339
BaseRepresentation
bin101000110111…
…011110011111
3202011021110110
4220313132133
510220303431
61021341103
7160026132
oct50673637
922137413
1010712991
116057913
123707793
1322b1263
1415cc219
15e19346
hexa3779f

10712991 has 8 divisors (see below), whose sum is σ = 14304640. Its totient is φ = 7131672.

The previous prime is 10712987. The next prime is 10713029. The reversal of 10712991 is 19921701.

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

It is not a de Polignac number, because 10712991 - 22 = 10712987 is a prime.

It is a super-2 number, since 2×107129912 = 229536352332162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10712921) 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, 300 + ... + 4638.

It is an arithmetic number, because the mean of its divisors is an integer number (1788080).

Almost surely, 210712991 is an apocalyptic number.

10712991 is a deficient number, since it is larger than the sum of its proper divisors (3591649).

10712991 is an equidigital number, since it uses as much as digits as its factorization.

10712991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5165.

The product of its (nonzero) digits is 1134, while the sum is 30.

The square root of 10712991 is about 3273.0705766909. The cubic root of 10712991 is about 220.4466888462.

The spelling of 10712991 in words is "ten million, seven hundred twelve thousand, nine hundred ninety-one".

Divisors: 1 3 823 2469 4339 13017 3570997 10712991