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31349084 = 2213602867
BaseRepresentation
bin111011110010…
…1100101011100
32011222200212012
41313211211130
531011132314
63035530352
7530314514
oct167454534
964880765
1031349084
1116772038
12a5b99b8
136658070
144240844
152b4393e
hex1de595c

31349084 has 12 divisors (see below), whose sum is σ = 59081064. Its totient is φ = 14468784.

The previous prime is 31349083. The next prime is 31349167. The reversal of 31349084 is 48094313.

It is a self number, because there is not a number n which added to its sum of digits gives 31349084.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31349083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301382 + ... + 301485.

It is an arithmetic number, because the mean of its divisors is an integer number (4923422).

Almost surely, 231349084 is an apocalyptic number.

It is an amenable number.

31349084 is a deficient number, since it is larger than the sum of its proper divisors (27731980).

31349084 is a wasteful number, since it uses less digits than its factorization.

31349084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602884 (or 602882 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 31349084 is about 5599.0252723130. The cubic root of 31349084 is about 315.3128126295.

The spelling of 31349084 in words is "thirty-one million, three hundred forty-nine thousand, eighty-four".

Divisors: 1 2 4 13 26 52 602867 1205734 2411468 7837271 15674542 31349084