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316887768 = 23337120663
BaseRepresentation
bin10010111000110…
…101001011011000
3211002021120022000
4102320311023120
51122110402033
651240001000
710565334021
oct2270651330
9732246260
10316887768
1115296951a
128a160160
1350861772
143012bc48
151cc47a13
hex12e352d8

316887768 has 64 divisors (see below), whose sum is σ = 892684800. Its totient is φ = 104136480.

The previous prime is 316887731. The next prime is 316887787. The reversal of 316887768 is 867788613.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5005 + ... + 25667.

It is an arithmetic number, because the mean of its divisors is an integer number (13948200).

Almost surely, 2316887768 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 316887768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446342400).

316887768 is an abundant number, since it is smaller than the sum of its proper divisors (575797032).

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

316887768 is a wasteful number, since it uses less digits than its factorization.

316887768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20749 (or 20739 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 316887768 is about 17801.3417471830. The cubic root of 316887768 is about 681.7657167484.

The spelling of 316887768 in words is "three hundred sixteen million, eight hundred eighty-seven thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 71 72 108 142 213 216 284 426 568 639 852 1278 1704 1917 2556 3834 5112 7668 15336 20663 41326 61989 82652 123978 165304 185967 247956 371934 495912 557901 743868 1115802 1467073 1487736 2231604 2934146 4401219 4463208 5868292 8802438 11736584 13203657 17604876 26407314 35209752 39610971 52814628 79221942 105629256 158443884 316887768