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80079240 = 23351374871
BaseRepresentation
bin1001100010111…
…10100110001000
312120200110001210
410301132212020
5131000013430
611540213120
71661443113
oct461364610
9176613053
1080079240
114122579a
122299a1a0
131378a487
14a8c757a
15706c2b0
hex4c5e988

80079240 has 64 divisors (see below), whose sum is σ = 242040960. Its totient is φ = 21194240.

The previous prime is 80079229. The next prime is 80079257. The reversal of 80079240 is 4297008.

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

It is a junction number, because it is equal to n+sod(n) for n = 80079198 and 80079207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14005 + ... + 18875.

It is an arithmetic number, because the mean of its divisors is an integer number (3781890).

Almost surely, 280079240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80079240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121020480).

80079240 is an abundant number, since it is smaller than the sum of its proper divisors (161961720).

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

80079240 is a wasteful number, since it uses less digits than its factorization.

80079240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022 (or 5018 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 80079240 is about 8948.7004643132. The cubic root of 80079240 is about 431.0291555652.

The spelling of 80079240 in words is "eighty million, seventy-nine thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 137 274 411 548 685 822 1096 1370 1644 2055 2740 3288 4110 4871 5480 8220 9742 14613 16440 19484 24355 29226 38968 48710 58452 73065 97420 116904 146130 194840 292260 584520 667327 1334654 2001981 2669308 3336635 4003962 5338616 6673270 8007924 10009905 13346540 16015848 20019810 26693080 40039620 80079240