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317145800 = 235211314033
BaseRepresentation
bin10010111001110…
…100001011001000
3211002202200020202
4102321310023020
51122142131200
651245311332
710600460216
oct2271641310
9732680222
10317145800
11153025374
128a265548
135092204a
1430197cb6
151cc991d5
hex12e742c8

317145800 has 48 divisors (see below), whose sum is σ = 743942340. Its totient is φ = 125726720.

The previous prime is 317145793. The next prime is 317145823. The reversal of 317145800 is 8541713.

It can be written as a sum of positive squares in 6 ways, for example, as 3076516 + 314069284 = 1754^2 + 17722^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 15584 + ... + 29616.

Almost surely, 2317145800 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 317145800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371971170).

317145800 is an abundant number, since it is smaller than the sum of its proper divisors (426796540).

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

317145800 is a wasteful number, since it uses less digits than its factorization.

317145800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14162 (or 14153 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 317145800 is about 17808.5878159948. The cubic root of 317145800 is about 681.9507135230.

The spelling of 317145800 in words is "three hundred seventeen million, one hundred forty-five thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 113 200 226 452 565 904 1130 2260 2825 4520 5650 11300 14033 22600 28066 56132 70165 112264 140330 280660 350825 561320 701650 1403300 1585729 2806600 3171458 6342916 7928645 12685832 15857290 31714580 39643225 63429160 79286450 158572900 317145800