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31994348 = 2212762981
BaseRepresentation
bin111101000001…
…1000111101100
32020012110222212
41322003013230
531142304343
63101425552
7535642661
oct172030754
966173885
1031994348
1117072911
12a86b2b8
136822989
14436ba68
152c1ec18
hex1e831ec

31994348 has 12 divisors (see below), whose sum is σ = 56431872. Its totient is φ = 15870960.

The previous prime is 31994329. The next prime is 31994353. The reversal of 31994348 is 84349913.

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 3 ways as a sum of consecutive naturals, for example, 30983 + ... + 31998.

It is an arithmetic number, because the mean of its divisors is an integer number (4702656).

Almost surely, 231994348 is an apocalyptic number.

It is an amenable number.

31994348 is a deficient number, since it is larger than the sum of its proper divisors (24437524).

31994348 is a wasteful number, since it uses less digits than its factorization.

31994348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63112 (or 63110 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 31994348 is about 5656.3546564903. The cubic root of 31994348 is about 317.4615176457.

The spelling of 31994348 in words is "thirty-one million, nine hundred ninety-four thousand, three hundred forty-eight".

Divisors: 1 2 4 127 254 508 62981 125962 251924 7998587 15997174 31994348