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80238908 = 2220059727
BaseRepresentation
bin1001100100001…
…01100100111100
312120222120002102
410302011210330
5131020121113
611543444232
71663006451
oct462054474
9176876072
1080238908
1141324752
1222a56678
1313815059
14a929828
15709e758
hex4c8593c

80238908 has 6 divisors (see below), whose sum is σ = 140418096. Its totient is φ = 40119452.

The previous prime is 80238901. The next prime is 80238913. The reversal of 80238908 is 80983208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80238901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10029860 + ... + 10029867.

It is an arithmetic number, because the mean of its divisors is an integer number (23403016).

Almost surely, 280238908 is an apocalyptic number.

It is an amenable number.

80238908 is a deficient number, since it is larger than the sum of its proper divisors (60179188).

80238908 is a wasteful number, since it uses less digits than its factorization.

80238908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20059731 (or 20059729 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 80238908 is about 8957.6173171218. The cubic root of 80238908 is about 431.3154381410.

The spelling of 80238908 in words is "eighty million, two hundred thirty-eight thousand, nine hundred eight".

Divisors: 1 2 4 20059727 40119454 80238908