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80133960 = 23352923027
BaseRepresentation
bin1001100011010…
…11111101001000
312120210020010110
410301223331020
5131003241320
611541314320
71662061464
oct461537510
9176706113
1080133960
1141262915
1222a059a0
13137a935a
14a8dd4a4
15707d5e0
hex4c6bf48

80133960 has 64 divisors (see below), whose sum is σ = 248702400. Its totient is φ = 20631296.

The previous prime is 80133929. The next prime is 80133961. The reversal of 80133960 is 6933108.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (80133961) 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, 8034 + ... + 14993.

It is an arithmetic number, because the mean of its divisors is an integer number (3885975).

Almost surely, 280133960 is an apocalyptic number.

It is an amenable number.

80133960 is an abundant number, since it is smaller than the sum of its proper divisors (168568440).

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

80133960 is a wasteful number, since it uses less digits than its factorization.

80133960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23070 (or 23066 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 80133960 is about 8951.7573693661. The cubic root of 80133960 is about 431.1273106142.

The spelling of 80133960 in words is "eighty million, one hundred thirty-three thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 29 30 40 58 60 87 116 120 145 174 232 290 348 435 580 696 870 1160 1740 3480 23027 46054 69081 92108 115135 138162 184216 230270 276324 345405 460540 552648 667783 690810 921080 1335566 1381620 2003349 2671132 2763240 3338915 4006698 5342264 6677830 8013396 10016745 13355660 16026792 20033490 26711320 40066980 80133960