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31466080 = 255196663
BaseRepresentation
bin111100000001…
…0001001100000
32012012122100101
41320002021200
531023403310
63042232144
7531312562
oct170021140
965178311
1031466080
1116841a28
12a655654
1366993a9
144271332
152b6843a
hex1e02260

31466080 has 24 divisors (see below), whose sum is σ = 74338992. Its totient is φ = 12586368.

The previous prime is 31466063. The next prime is 31466089. The reversal of 31466080 is 8066413.

It is a super-2 number, since 2×314660802 = 1980228381132800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31466089) 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, 98172 + ... + 98491.

It is an arithmetic number, because the mean of its divisors is an integer number (3097458).

Almost surely, 231466080 is an apocalyptic number.

It is an amenable number.

31466080 is an abundant number, since it is smaller than the sum of its proper divisors (42872912).

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

31466080 is a wasteful number, since it uses less digits than its factorization.

31466080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196678 (or 196670 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 31466080 is about 5609.4634324506. The cubic root of 31466080 is about 315.7045788949.

The spelling of 31466080 in words is "thirty-one million, four hundred sixty-six thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 196663 393326 786652 983315 1573304 1966630 3146608 3933260 6293216 7866520 15733040 31466080