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80239482 = 23219123339
BaseRepresentation
bin1001100100001…
…01101101111010
312120222120212200
410302011231322
5131020130412
611543451030
71663011231
oct462055572
9176876780
1080239482
1141325124
1222a56a76
13138153ab
14a929b18
15709e9dc
hex4c85b7a

80239482 has 24 divisors (see below), whose sum is σ = 174769920. Its totient is φ = 26605320.

The previous prime is 80239457. The next prime is 80239487. The reversal of 80239482 is 28493208.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (80239487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8232 + ... + 15107.

It is an arithmetic number, because the mean of its divisors is an integer number (7282080).

Almost surely, 280239482 is an apocalyptic number.

80239482 is an abundant number, since it is smaller than the sum of its proper divisors (94530438).

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

80239482 is a wasteful number, since it uses less digits than its factorization.

80239482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23538 (or 23535 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 80239482 is about 8957.6493568346. The cubic root of 80239482 is about 431.3164666299.

The spelling of 80239482 in words is "eighty million, two hundred thirty-nine thousand, four hundred eighty-two".

Divisors: 1 2 3 6 9 18 191 382 573 1146 1719 3438 23339 46678 70017 140034 210051 420102 4457749 8915498 13373247 26746494 40119741 80239482