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317352140 = 22572266801
BaseRepresentation
bin10010111010100…
…110100011001100
3211010011011021222
4102322212203030
51122220232030
651253542512
710602306620
oct2272464314
9733134258
10317352140
111531563a6
128a344a38
1350994c41
143020d180
151ccda3e5
hex12ea68cc

317352140 has 24 divisors (see below), whose sum is σ = 761645472. Its totient is φ = 108806400.

The previous prime is 317352103. The next prime is 317352163. The reversal of 317352140 is 41253713.

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, 1133261 + ... + 1133540.

It is an arithmetic number, because the mean of its divisors is an integer number (31735228).

Almost surely, 2317352140 is an apocalyptic number.

It is an amenable number.

317352140 is an abundant number, since it is smaller than the sum of its proper divisors (444293332).

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

317352140 is a wasteful number, since it uses less digits than its factorization.

317352140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266817 (or 2266815 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 317352140 is about 17814.3801463874. The cubic root of 317352140 is about 682.0985773808.

The spelling of 317352140 in words is "three hundred seventeen million, three hundred fifty-two thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 2266801 4533602 9067204 11334005 15867607 22668010 31735214 45336020 63470428 79338035 158676070 317352140