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317873052 = 22337420467
BaseRepresentation
bin10010111100100…
…101101110011100
3211011010121212000
4102330211232130
51122333414202
651313042300
710606606410
oct2274455634
9734117760
10317873052
11153481802
128a556390
1350b18083
1430306d40
151cd8e91c
hex12f25b9c

317873052 has 48 divisors (see below), whose sum is σ = 941848320. Its totient is φ = 90820656.

The previous prime is 317873047. The next prime is 317873053. The reversal of 317873052 is 250378713.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 317872998 and 317873016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317873053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209478 + ... + 210989.

It is an arithmetic number, because the mean of its divisors is an integer number (19621840).

Almost surely, 2317873052 is an apocalyptic number.

It is an amenable number.

317873052 is an abundant number, since it is smaller than the sum of its proper divisors (623975268).

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

317873052 is a wasteful number, since it uses less digits than its factorization.

317873052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420487 (or 420479 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 317873052 is about 17828.9946996459. The cubic root of 317873052 is about 682.4715795435.

The spelling of 317873052 in words is "three hundred seventeen million, eight hundred seventy-three thousand, fifty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 420467 840934 1261401 1681868 2522802 2943269 3784203 5045604 5886538 7568406 8829807 11352609 11773076 15136812 17659614 22705218 26489421 35319228 45410436 52978842 79468263 105957684 158936526 317873052