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11306931 = 34780191
BaseRepresentation
bin101011001000…
…011110110011
3210021110012020
4223020132303
510343310211
61042202523
7165051546
oct53103663
923243166
1011306931
116423079
123953443
13245b6bc
14170485d
15ed5306
hexac87b3

11306931 has 8 divisors (see below), whose sum is σ = 15396864. Its totient is φ = 7377480.

The previous prime is 11306927. The next prime is 11306951. The reversal of 11306931 is 13960311.

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

It is not a de Polignac number, because 11306931 - 22 = 11306927 is a prime.

It is a super-2 number, since 2×113069312 = 255693377277522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11306951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39955 + ... + 40236.

It is an arithmetic number, because the mean of its divisors is an integer number (1924608).

Almost surely, 211306931 is an apocalyptic number.

11306931 is a deficient number, since it is larger than the sum of its proper divisors (4089933).

11306931 is an equidigital number, since it uses as much as digits as its factorization.

11306931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80241.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 11306931 is about 3362.5780288344. The cubic root of 11306931 is about 224.4475731700.

The spelling of 11306931 in words is "eleven million, three hundred six thousand, nine hundred thirty-one".

Divisors: 1 3 47 141 80191 240573 3768977 11306931