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159764540 = 225131932341
BaseRepresentation
bin10011000010111…
…01000000111100
3102010121212202012
421201131000330
5311344431130
623504150352
73646655555
oct1141350074
9363555665
10159764540
1182201511
12456083b8
132713a540
141730b32c
15e05c995
hex985d03c

159764540 has 48 divisors (see below), whose sum is σ = 380341920. Its totient is φ = 55883520.

The previous prime is 159764533. The next prime is 159764543. The reversal of 159764540 is 45467951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159764543) 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, 11231 + ... + 21110.

It is an arithmetic number, because the mean of its divisors is an integer number (7923790).

Almost surely, 2159764540 is an apocalyptic number.

159764540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159764540 is an abundant number, since it is smaller than the sum of its proper divisors (220577380).

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

159764540 is a wasteful number, since it uses less digits than its factorization.

159764540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32382 (or 32380 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 159764540 is about 12639.7998401873. The cubic root of 159764540 is about 542.6170855891.

The spelling of 159764540 in words is "one hundred fifty-nine million, seven hundred sixty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 19 20 26 38 52 65 76 95 130 190 247 260 380 494 988 1235 2470 4940 32341 64682 129364 161705 323410 420433 614479 646820 840866 1228958 1681732 2102165 2457916 3072395 4204330 6144790 7988227 8408660 12289580 15976454 31952908 39941135 79882270 159764540