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31074462 = 2331931977
BaseRepresentation
bin111011010001…
…0100010011110
32011110202011000
41312202202132
530423340322
63030011130
7525062046
oct166424236
964422130
1031074462
11165a4781
12a4a6aa6
136590073
1441ac726
152adc3ac
hex1da289e

31074462 has 64 divisors (see below), whose sum is σ = 75110400. Its totient is φ = 9486720.

The previous prime is 31074427. The next prime is 31074469. The reversal of 31074462 is 26447013.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31074469) 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 31 ways as a sum of consecutive naturals, for example, 31318 + ... + 32294.

It is an arithmetic number, because the mean of its divisors is an integer number (1173600).

Almost surely, 231074462 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31074462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37555200).

31074462 is an abundant number, since it is smaller than the sum of its proper divisors (44035938).

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

31074462 is a wasteful number, since it uses less digits than its factorization.

31074462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038 (or 1032 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 31074462 is about 5574.4472371707. The cubic root of 31074462 is about 314.3893840014.

It can be divided in two parts, 3107 and 4462, that added together give a square (7569 = 872).

The spelling of 31074462 in words is "thirty-one million, seventy-four thousand, four hundred sixty-two".

Divisors: 1 2 3 6 9 18 19 27 31 38 54 57 62 93 114 171 186 279 342 513 558 589 837 977 1026 1178 1674 1767 1954 2931 3534 5301 5862 8793 10602 15903 17586 18563 26379 30287 31806 37126 52758 55689 60574 90861 111378 167067 181722 272583 334134 501201 545166 575453 817749 1002402 1150906 1635498 1726359 3452718 5179077 10358154 15537231 31074462