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162164940 = 223571512557
BaseRepresentation
bin10011010101001…
…11000011001100
3102022010211110220
421222213003030
5313003234230
624031431340
74006244040
oct1152470314
9368124426
10162164940
11835a0a13
1246385550
132779acb2
1417774020
15e383d10
hex9aa70cc

162164940 has 96 divisors (see below), whose sum is σ = 522568704. Its totient is φ = 36806400.

The previous prime is 162164939. The next prime is 162164957. The reversal of 162164940 is 49461261.

162164940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62142 + ... + 64698.

It is an arithmetic number, because the mean of its divisors is an integer number (5443424).

Almost surely, 2162164940 is an apocalyptic number.

162164940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162164940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261284352).

162164940 is an abundant number, since it is smaller than the sum of its proper divisors (360403764).

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

162164940 is a wasteful number, since it uses less digits than its factorization.

162164940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2727 (or 2725 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 162164940 is about 12734.3998680739. The cubic root of 162164940 is about 545.3211248927.

The spelling of 162164940 in words is "one hundred sixty-two million, one hundred sixty-four thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 151 210 302 420 453 604 755 906 1057 1510 1812 2114 2265 2557 3020 3171 4228 4530 5114 5285 6342 7671 9060 10228 10570 12684 12785 15342 15855 17899 21140 25570 30684 31710 35798 38355 51140 53697 63420 71596 76710 89495 107394 153420 178990 214788 268485 357980 386107 536970 772214 1073940 1158321 1544428 1930535 2316642 2702749 3861070 4633284 5405498 5791605 7722140 8108247 10810996 11583210 13513745 16216494 23166420 27027490 32432988 40541235 54054980 81082470 162164940