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162968988 = 223713149239
BaseRepresentation
bin10011011011010…
…11010110011100
3102100122200102110
421231223112130
5313210001423
624100554020
74016133150
oct1155532634
9370580373
10162968988
1183aa0016
12466b2910
13279bcc70
1417903060
15e492193
hex9b6b59c

162968988 has 48 divisors (see below), whose sum is σ = 468016640. Its totient is φ = 42980544.

The previous prime is 162968977. The next prime is 162968989. The reversal of 162968988 is 889869261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162968989) 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, 73528 + ... + 75711.

Almost surely, 2162968988 is an apocalyptic number.

It is an amenable number.

162968988 is an abundant number, since it is smaller than the sum of its proper divisors (305047652).

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

162968988 is a wasteful number, since it uses less digits than its factorization.

162968988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149266 (or 149264 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 57.

The square root of 162968988 is about 12765.9307533763. The cubic root of 162968988 is about 546.2209118279.

The spelling of 162968988 in words is "one hundred sixty-two million, nine hundred sixty-eight thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 182 273 364 546 1092 149239 298478 447717 596956 895434 1044673 1790868 1940107 2089346 3134019 3880214 4178692 5820321 6268038 7760428 11640642 12536076 13580749 23281284 27161498 40742247 54322996 81484494 162968988