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317085448 = 2378750363
BaseRepresentation
bin10010111001100…
…101011100001000
3211002122121110111
4102321211130020
51122133213243
651244124104
710600116241
oct2271453410
9732577414
10317085448
11152a93a99
128a236634
1350900734
143017dcc8
151cc8639d
hex12e65708

317085448 has 16 divisors (see below), whose sum is σ = 595302480. Its totient is φ = 158338128.

The previous prime is 317085443. The next prime is 317085463. The reversal of 317085448 is 844580713.

It is a self number, because there is not a number n which added to its sum of digits gives 317085448.

It is not an unprimeable number, because it can be changed into a prime (317085443) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 18886 + ... + 31477.

It is an arithmetic number, because the mean of its divisors is an integer number (37206405).

Almost surely, 2317085448 is an apocalyptic number.

It is an amenable number.

317085448 is a deficient number, since it is larger than the sum of its proper divisors (278217032).

317085448 is a wasteful number, since it uses less digits than its factorization.

317085448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51156 (or 51152 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 317085448 is about 17806.8932719888. The cubic root of 317085448 is about 681.9074529781.

The spelling of 317085448 in words is "three hundred seventeen million, eighty-five thousand, four hundred forty-eight".

Divisors: 1 2 4 8 787 1574 3148 6296 50363 100726 201452 402904 39635681 79271362 158542724 317085448