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31416804 = 223219231997
BaseRepresentation
bin111011111011…
…0000111100100
32012010010202100
41313312013210
531020314204
63041212100
7531016116
oct167660744
965103670
1031416804
1116808a01
12a631030
13667cb33
14425b3b6
152b58a39
hex1df61e4

31416804 has 72 divisors (see below), whose sum is σ = 87272640. Its totient is φ = 9484992.

The previous prime is 31416793. The next prime is 31416817. The reversal of 31416804 is 40861413.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14734 + ... + 16730.

It is an arithmetic number, because the mean of its divisors is an integer number (1212120).

Almost surely, 231416804 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 31416804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43636320).

31416804 is an abundant number, since it is smaller than the sum of its proper divisors (55855836).

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

31416804 is a wasteful number, since it uses less digits than its factorization.

31416804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049 (or 2044 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 31416804 is about 5605.0694910946. The cubic root of 31416804 is about 315.5396946079.

The spelling of 31416804 in words is "thirty-one million, four hundred sixteen thousand, eight hundred four".

Divisors: 1 2 3 4 6 9 12 18 19 23 36 38 46 57 69 76 92 114 138 171 207 228 276 342 414 437 684 828 874 1311 1748 1997 2622 3933 3994 5244 5991 7866 7988 11982 15732 17973 23964 35946 37943 45931 71892 75886 91862 113829 137793 151772 183724 227658 275586 341487 413379 455316 551172 682974 826758 872689 1365948 1653516 1745378 2618067 3490756 5236134 7854201 10472268 15708402 31416804