Search a number
-
+
317772896 = 2571499521
BaseRepresentation
bin10010111100001…
…101010001100000
3211010221112110112
4102330031101200
51122322213041
651310550452
710606011410
oct2274152140
9733845415
10317772896
11153413531
128a508428
1350ab15cc
14302bc640
151cd6edeb
hex12f0d460

317772896 has 48 divisors (see below), whose sum is σ = 719863200. Its totient is φ = 135260160.

The previous prime is 317772863. The next prime is 317772907. The reversal of 317772896 is 698277713.

It is a super-2 number, since 2×3177728962 = 201959226864453632, which contains 22 as substring.

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, 28616 + ... + 38136.

It is an arithmetic number, because the mean of its divisors is an integer number (14997150).

Almost surely, 2317772896 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 317772896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359931600).

317772896 is an abundant number, since it is smaller than the sum of its proper divisors (402090304).

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

317772896 is a wasteful number, since it uses less digits than its factorization.

317772896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9687 (or 9679 counting only the distinct ones).

The product of its digits is 889056, while the sum is 50.

The square root of 317772896 is about 17826.1856828655. The cubic root of 317772896 is about 682.3998938990.

The spelling of 317772896 in words is "three hundred seventeen million, seven hundred seventy-two thousand, eight hundred ninety-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 149 224 298 596 1043 1192 2086 2384 4172 4768 8344 9521 16688 19042 33376 38084 66647 76168 133294 152336 266588 304672 533176 1066352 1418629 2132704 2837258 5674516 9930403 11349032 19860806 22698064 39721612 45396128 79443224 158886448 317772896