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10678931 = 192919381
BaseRepresentation
bin101000101111…
…001010010011
3202002112201222
4220233022103
510213211211
61020515255
7156524624
oct50571223
922075658
1010678931
11603426a
1236abb2b
13229b8c3
1415bda4b
15e0e1db
hexa2f293

10678931 has 8 divisors (see below), whose sum is σ = 11629200. Its totient is φ = 9767520.

The previous prime is 10678919. The next prime is 10678949. The reversal of 10678931 is 13987601.

10678931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10678931 - 222 = 6484627 is a prime.

It is a super-2 number, since 2×106789312 = 228079134605522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10678891 and 10678900.

It is not an unprimeable number, because it can be changed into a prime (10678981) 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, 9140 + ... + 10241.

It is an arithmetic number, because the mean of its divisors is an integer number (1453650).

Almost surely, 210678931 is an apocalyptic number.

10678931 is a deficient number, since it is larger than the sum of its proper divisors (950269).

10678931 is a wasteful number, since it uses less digits than its factorization.

10678931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19429.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 10678931 is about 3267.8633692368. The cubic root of 10678931 is about 220.2128174801.

The spelling of 10678931 in words is "ten million, six hundred seventy-eight thousand, nine hundred thirty-one".

Divisors: 1 19 29 551 19381 368239 562049 10678931