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80424888 = 23329115553
BaseRepresentation
bin1001100101100…
…10111110111000
312121100000012120
410302302332320
5131042044023
611551441240
71664412615
oct462627670
9177300176
1080424888
1141441455
1222b26220
131387b8bb
14a97750c
1570d98e3
hex4cb2fb8

80424888 has 32 divisors (see below), whose sum is σ = 207997200. Its totient is φ = 25883648.

The previous prime is 80424871. The next prime is 80424889. The reversal of 80424888 is 88842408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80424889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57081 + ... + 58472.

Almost surely, 280424888 is an apocalyptic number.

It is an amenable number.

80424888 is an abundant number, since it is smaller than the sum of its proper divisors (127572312).

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

80424888 is a wasteful number, since it uses less digits than its factorization.

80424888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115591 (or 115587 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 42.

The square root of 80424888 is about 8967.9924174812. The cubic root of 80424888 is about 431.6484193642.

The spelling of 80424888 in words is "eighty million, four hundred twenty-four thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 29 58 87 116 174 232 348 696 115553 231106 346659 462212 693318 924424 1386636 2773272 3351037 6702074 10053111 13404148 20106222 26808296 40212444 80424888