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317428430 = 25112885713
BaseRepresentation
bin10010111010111…
…001001011001110
3211010022000221112
4102322321023032
51122230202210
651255332022
710603045214
oct2272711316
9733260845
10317428430
111531a8750
128a381012
13509c0897
143022ccb4
151cd02d05
hex12eb92ce

317428430 has 16 divisors (see below), whose sum is σ = 623314224. Its totient is φ = 115428480.

The previous prime is 317428429. The next prime is 317428453. The reversal of 317428430 is 34824713.

317428430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 1442747 + ... + 1442966.

It is an arithmetic number, because the mean of its divisors is an integer number (38957139).

Almost surely, 2317428430 is an apocalyptic number.

317428430 is a deficient number, since it is larger than the sum of its proper divisors (305885794).

317428430 is a wasteful number, since it uses less digits than its factorization.

317428430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885731.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 317428430 is about 17816.5212653874. The cubic root of 317428430 is about 682.1532307922.

The spelling of 317428430 in words is "three hundred seventeen million, four hundred twenty-eight thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 2885713 5771426 14428565 28857130 31742843 63485686 158714215 317428430