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31274096 = 2471032711
BaseRepresentation
bin111011101001…
…1010001110000
32011211212222212
41313103101300
531001232341
63034151252
7526553060
oct167232160
964755885
1031274096
1116720767
12a582528
13662cba9
1442213a0
152b2b5eb
hex1dd3470

31274096 has 40 divisors (see below), whose sum is σ = 69947904. Its totient is φ = 13268160.

The previous prime is 31274053. The next prime is 31274099. The reversal of 31274096 is 69047213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31274099) by changing a digit.

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, 10181 + ... + 12891.

Almost surely, 231274096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31274096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34973952).

31274096 is an abundant number, since it is smaller than the sum of its proper divisors (38673808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31274096 is a wasteful number, since it uses less digits than its factorization.

31274096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829 (or 2823 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 31274096 is about 5592.3247402131. The cubic root of 31274096 is about 315.0611991616.

The spelling of 31274096 in words is "thirty-one million, two hundred seventy-four thousand, ninety-six".

Divisors: 1 2 4 7 8 14 16 28 56 103 112 206 412 721 824 1442 1648 2711 2884 5422 5768 10844 11536 18977 21688 37954 43376 75908 151816 279233 303632 558466 1116932 1954631 2233864 3909262 4467728 7818524 15637048 31274096