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80715426 = 23113733053
BaseRepresentation
bin1001100111110…
…01111010100010
312121212202202020
410303321322202
5131130343201
612002002310
72000032641
oct463717242
9177782666
1080715426
114161a770
1223046396
1313950c0c
14aa11358
157145a36
hex4cf9ea2

80715426 has 32 divisors (see below), whose sum is σ = 180871488. Its totient is φ = 23797440.

The previous prime is 80715421. The next prime is 80715433. The reversal of 80715426 is 62451708.

It is a super-2 number, since 2×807154262 = 13029959988722952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (80715421) 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, 14085 + ... + 18968.

It is an arithmetic number, because the mean of its divisors is an integer number (5652234).

Almost surely, 280715426 is an apocalyptic number.

80715426 is an abundant number, since it is smaller than the sum of its proper divisors (100156062).

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

80715426 is a wasteful number, since it uses less digits than its factorization.

80715426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33106.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 80715426 is about 8984.1764230229. The cubic root of 80715426 is about 432.1675768765.

The spelling of 80715426 in words is "eighty million, seven hundred fifteen thousand, four hundred twenty-six".

Divisors: 1 2 3 6 11 22 33 37 66 74 111 222 407 814 1221 2442 33053 66106 99159 198318 363583 727166 1090749 1222961 2181498 2445922 3668883 7337766 13452571 26905142 40357713 80715426