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31412000 = 25537853
BaseRepresentation
bin111011111010…
…0111100100000
32012002220011102
41313310330200
531020141000
63041133532
7530666114
oct167647440
965086142
1031412000
1116805334
12a62a2a8
13667a8a9
144259744
152b573d5
hex1df4f20

31412000 has 48 divisors (see below), whose sum is σ = 77189112. Its totient is φ = 12563200.

The previous prime is 31411999. The next prime is 31412023. The reversal of 31412000 is 21413.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1948816 + 29463184 = 1396^2 + 5428^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74 + ... + 7926.

Almost surely, 231412000 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 31412000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38594556).

31412000 is an abundant number, since it is smaller than the sum of its proper divisors (45777112).

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

31412000 is an equidigital number, since it uses as much as digits as its factorization.

31412000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7878 (or 7860 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 31412000 is about 5604.6409340831. The cubic root of 31412000 is about 315.5236105406.

Adding to 31412000 its reverse (21413), we get a palindrome (31433413).

The spelling of 31412000 in words is "thirty-one million, four hundred twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 7853 15706 31412 39265 62824 78530 125648 157060 196325 251296 314120 392650 628240 785300 981625 1256480 1570600 1963250 3141200 3926500 6282400 7853000 15706000 31412000