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31364330 = 253136433
BaseRepresentation
bin111011110100…
…1010011101010
32012000110202212
41313221103222
531012124310
63040125122
7530410124
oct167512352
965013685
1031364330
1116782538
12a6067a2
136661c9a
144246214
152b48205
hex1de94ea

31364330 has 8 divisors (see below), whose sum is σ = 56455812. Its totient is φ = 12545728.

The previous prime is 31364323. The next prime is 31364353. The reversal of 31364330 is 3346313.

It can be written as a sum of positive squares in 2 ways, for example, as 29235649 + 2128681 = 5407^2 + 1459^2 .

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

It is a super-4 number, since 4×313643304 (a number of 31 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31364296 and 31364305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1568207 + ... + 1568226.

Almost surely, 231364330 is an apocalyptic number.

31364330 is a deficient number, since it is larger than the sum of its proper divisors (25091482).

31364330 is a wasteful number, since it uses less digits than its factorization.

31364330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136440.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 31364330 is about 5600.3865937987. The cubic root of 31364330 is about 315.3639197054.

The spelling of 31364330 in words is "thirty-one million, three hundred sixty-four thousand, three hundred thirty".

Divisors: 1 2 5 10 3136433 6272866 15682165 31364330