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317212134 = 2398353783
BaseRepresentation
bin10010111010000…
…100010111100110
3211002220001020120
4102322010113212
51122201242014
651250542410
710601154501
oct2272042746
9732801216
10317212134
11153070198
128a297a06
13509462b5
14301b4138
151ccadba9
hex12e845e6

317212134 has 16 divisors (see below), whose sum is σ = 635081472. Its totient is φ = 105627848.

The previous prime is 317212123. The next prime is 317212141. The reversal of 317212134 is 431212713.

It is a happy number.

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, 20994 + ... + 32789.

It is an arithmetic number, because the mean of its divisors is an integer number (39692592).

Almost surely, 2317212134 is an apocalyptic number.

317212134 is an abundant number, since it is smaller than the sum of its proper divisors (317869338).

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

317212134 is a wasteful number, since it uses less digits than its factorization.

317212134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54771.

The product of its digits is 1008, while the sum is 24.

The square root of 317212134 is about 17810.4501346822. The cubic root of 317212134 is about 681.9982556578.

Adding to 317212134 its reverse (431212713), we get a palindrome (748424847).

The spelling of 317212134 in words is "three hundred seventeen million, two hundred twelve thousand, one hundred thirty-four".

Divisors: 1 2 3 6 983 1966 2949 5898 53783 107566 161349 322698 52868689 105737378 158606067 317212134