Search a number
-
+
317142884 = 22531519907
BaseRepresentation
bin10010111001110…
…011011101100100
3211002202112020202
4102321303131210
51122142033014
651245250032
710600445552
oct2271633544
9732675222
10317142884
11153023163
128a263918
1350920916
1430196bd2
151cc983de
hex12e73764

317142884 has 24 divisors (see below), whose sum is σ = 569274048. Its totient is φ = 154533600.

The previous prime is 317142827. The next prime is 317142901. The reversal of 317142884 is 488241713.

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, 27059 + ... + 36965.

It is an arithmetic number, because the mean of its divisors is an integer number (23719752).

Almost surely, 2317142884 is an apocalyptic number.

It is an amenable number.

317142884 is a deficient number, since it is larger than the sum of its proper divisors (252131164).

317142884 is a wasteful number, since it uses less digits than its factorization.

317142884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10115 (or 10113 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 317142884 is about 17808.5059451937. The cubic root of 317142884 is about 681.9486234492.

The spelling of 317142884 in words is "three hundred seventeen million, one hundred forty-two thousand, eight hundred eighty-four".

Divisors: 1 2 4 53 106 151 212 302 604 8003 9907 16006 19814 32012 39628 525071 1050142 1495957 2100284 2991914 5983828 79285721 158571442 317142884