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159189492 = 223711172283
BaseRepresentation
bin10010111110100…
…00100111110100
3102002112122221010
421133100213310
5311223030432
623443552220
73642042210
oct1137204764
9362478833
10159189492
1181949470
124538b670
1326c98887
14171db940
15de973cc
hex97d09f4

159189492 has 48 divisors (see below), whose sum is σ = 463099392. Its totient is φ = 41347680.

The previous prime is 159189491. The next prime is 159189529. The reversal of 159189492 is 294981951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159189491) 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, 85218 + ... + 87065.

It is an arithmetic number, because the mean of its divisors is an integer number (9647904).

Almost surely, 2159189492 is an apocalyptic number.

159189492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

159189492 is an abundant number, since it is smaller than the sum of its proper divisors (303909900).

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

159189492 is a wasteful number, since it uses less digits than its factorization.

159189492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172308 (or 172306 counting only the distinct ones).

The product of its digits is 233280, while the sum is 48.

The square root of 159189492 is about 12617.0318221046. The cubic root of 159189492 is about 541.9652805653.

The spelling of 159189492 in words is "one hundred fifty-nine million, one hundred eighty-nine thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 462 924 172283 344566 516849 689132 1033698 1205981 1895113 2067396 2411962 3617943 3790226 4823924 5685339 7235886 7580452 11370678 13265791 14471772 22741356 26531582 39797373 53063164 79594746 159189492