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316646652 = 22377153093
BaseRepresentation
bin10010110111111…
…010010011111100
3211001211022112210
4102313322103330
51122030143102
651230500420
710563311040
oct2267722374
9731738483
10316646652
11152814353
128a064710
13507a8aaa
14300a8020
151cbeb36c
hex12dfa4fc

316646652 has 48 divisors (see below), whose sum is σ = 856300032. Its totient is φ = 89194560.

The previous prime is 316646651. The next prime is 316646657. The reversal of 316646652 is 256646613.

It is a self number, because there is not a number n which added to its sum of digits gives 316646652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316646651) 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, 20583 + ... + 32510.

It is an arithmetic number, because the mean of its divisors is an integer number (17839584).

Almost surely, 2316646652 is an apocalyptic number.

It is an amenable number.

316646652 is an abundant number, since it is smaller than the sum of its proper divisors (539653380).

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

316646652 is a wasteful number, since it uses less digits than its factorization.

316646652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53178 (or 53176 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 316646652 is about 17794.5680475813. The cubic root of 316646652 is about 681.5927571609.

Subtracting from 316646652 its sum of digits (39), we obtain a palindrome (316646613).

The spelling of 316646652 in words is "three hundred sixteen million, six hundred forty-six thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 71 84 142 213 284 426 497 852 994 1491 1988 2982 5964 53093 106186 159279 212372 318558 371651 637116 743302 1114953 1486604 2229906 3769603 4459812 7539206 11308809 15078412 22617618 26387221 45235236 52774442 79161663 105548884 158323326 316646652