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317451056 = 241314910243
BaseRepresentation
bin10010111010111…
…110101100110000
3211010100011222112
4102322332230300
51122231413211
651300024452
710603201166
oct2272765460
9733304875
10317451056
1115321374a
128a392128
13509cac80
1430237236
151cd0988b
hex12ebeb30

317451056 has 40 divisors (see below), whose sum is σ = 666884400. Its totient is φ = 145518336.

The previous prime is 317451007. The next prime is 317451059. The reversal of 317451056 is 650154713.

It is not an unprimeable number, because it can be changed into a prime (317451059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25871 + ... + 36113.

It is an arithmetic number, because the mean of its divisors is an integer number (16672110).

Almost surely, 2317451056 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 317451056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333442200).

317451056 is an abundant number, since it is smaller than the sum of its proper divisors (349433344).

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

317451056 is a wasteful number, since it uses less digits than its factorization.

317451056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10413 (or 10407 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 317451056 is about 17817.1562265138. The cubic root of 317451056 is about 682.1694381541.

The spelling of 317451056 in words is "three hundred seventeen million, four hundred fifty-one thousand, fifty-six".

Divisors: 1 2 4 8 13 16 26 52 104 149 208 298 596 1192 1937 2384 3874 7748 10243 15496 20486 30992 40972 81944 133159 163888 266318 532636 1065272 1526207 2130544 3052414 6104828 12209656 19840691 24419312 39681382 79362764 158725528 317451056