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31064334 = 2372157673
BaseRepresentation
bin111011010000…
…0000100001110
32011110020020220
41312200010032
530423024314
63025452210
7525020400
oct166400416
964406226
1031064334
1116598104
12a4a1066
136588582
1441a8b70
152ad93a9
hex1da010e

31064334 has 48 divisors (see below), whose sum is σ = 72840528. Its totient is φ = 8805888.

The previous prime is 31064333. The next prime is 31064351. The reversal of 31064334 is 43346013.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31064333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45822 + ... + 46494.

It is an arithmetic number, because the mean of its divisors is an integer number (1517511).

Almost surely, 231064334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31064334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36420264).

31064334 is an abundant number, since it is smaller than the sum of its proper divisors (41776194).

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

31064334 is a wasteful number, since it uses less digits than its factorization.

31064334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 31064334 is about 5573.5387322598. The cubic root of 31064334 is about 314.3552243146.

The spelling of 31064334 in words is "thirty-one million, sixty-four thousand, three hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 157 294 314 471 673 942 1099 1346 2019 2198 3297 4038 4711 6594 7693 9422 14133 15386 23079 28266 32977 46158 65954 98931 105661 197862 211322 316983 633966 739627 1479254 2218881 4437762 5177389 10354778 15532167 31064334