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31359094 = 2131279497
BaseRepresentation
bin111011110100…
…0000001110110
32012000012120221
41313220001312
531011442334
63040044554
7530355634
oct167500166
965005527
1031359094
1116779608
12a60375a
13665c7a0
144244354
152b468b4
hex1de8076

31359094 has 16 divisors (see below), whose sum is σ = 51061248. Its totient is φ = 14357952.

The previous prime is 31359089. The next prime is 31359103. The reversal of 31359094 is 49095313.

It is a congruent number.

It is an unprimeable number.

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, 1447 + ... + 8050.

It is an arithmetic number, because the mean of its divisors is an integer number (3191328).

Almost surely, 231359094 is an apocalyptic number.

31359094 is a deficient number, since it is larger than the sum of its proper divisors (19702154).

31359094 is a wasteful number, since it uses less digits than its factorization.

31359094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9639.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 31359094 is about 5599.9191065586. The cubic root of 31359094 is about 315.3463696480.

The spelling of 31359094 in words is "thirty-one million, three hundred fifty-nine thousand, ninety-four".

Divisors: 1 2 13 26 127 254 1651 3302 9497 18994 123461 246922 1206119 2412238 15679547 31359094