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31396354 = 2112129737
BaseRepresentation
bin111011111000…
…1001000000010
32012002002200221
41313301020002
531014140404
63040533254
7530602363
oct167611002
965062627
1031396354
11167a4600
12a62122a
136673732
144253b6a
152b52954
hex1df1202

31396354 has 12 divisors (see below), whose sum is σ = 51765462. Its totient is φ = 14270960.

The previous prime is 31396333. The next prime is 31396367. The reversal of 31396354 is 45369313.

It can be written as a sum of positive squares in only one way, i.e., 25270729 + 6125625 = 5027^2 + 2475^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64627 + ... + 65110.

Almost surely, 231396354 is an apocalyptic number.

31396354 is a deficient number, since it is larger than the sum of its proper divisors (20369108).

31396354 is a wasteful number, since it uses less digits than its factorization.

31396354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129761 (or 129750 counting only the distinct ones).

The product of its digits is 29160, while the sum is 34.

The square root of 31396354 is about 5603.2449527037. The cubic root of 31396354 is about 315.4712154658.

The spelling of 31396354 in words is "thirty-one million, three hundred ninety-six thousand, three hundred fifty-four".

Divisors: 1 2 11 22 121 242 129737 259474 1427107 2854214 15698177 31396354