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80055258 = 2313342543
BaseRepresentation
bin1001100010110…
…00101111011010
312120122020011120
410301120233122
5130443232013
611535510110
71661313153
oct461305732
9176566146
1080055258
1141209778
1222988336
131377c59a
14a8bc92a
157065123
hex4c58bda

80055258 has 8 divisors (see below), whose sum is σ = 160110528. Its totient is φ = 26685084.

The previous prime is 80055257. The next prime is 80055307. The reversal of 80055258 is 85255008.

It is a sphenic number, since it is the product of 3 distinct primes.

80055258 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (80055253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6671266 + ... + 6671277.

It is an arithmetic number, because the mean of its divisors is an integer number (20013816).

Almost surely, 280055258 is an apocalyptic number.

80055258 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80055258 is a wasteful number, since it uses less digits than its factorization.

80055258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13342548.

The product of its (nonzero) digits is 16000, while the sum is 33.

The square root of 80055258 is about 8947.3603928757. The cubic root of 80055258 is about 430.9861233000.

The spelling of 80055258 in words is "eighty million, fifty-five thousand, two hundred fifty-eight".

Divisors: 1 2 3 6 13342543 26685086 40027629 80055258