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80345848 = 23113132917
BaseRepresentation
bin1001100100111…
…11101011111000
312121011222210011
410302133223320
5131032031343
611550031304
71663633312
oct462375370
9177158704
1080345848
1141398030
1222aa8534
131385192b
14a9567b2
1570c129d
hex4c9faf8

80345848 has 32 divisors (see below), whose sum is σ = 164925360. Its totient is φ = 36391680.

The previous prime is 80345821. The next prime is 80345873. The reversal of 80345848 is 84854308.

It is a self number, because there is not a number n which added to its sum of digits gives 80345848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26086 + ... + 29002.

Almost surely, 280345848 is an apocalyptic number.

80345848 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

80345848 is an abundant number, since it is smaller than the sum of its proper divisors (84579512).

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

80345848 is a wasteful number, since it uses less digits than its factorization.

80345848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247 (or 3243 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 80345848 is about 8963.5845508368. The cubic root of 80345848 is about 431.5069678198.

The spelling of 80345848 in words is "eighty million, three hundred forty-five thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 11 22 44 88 313 626 1252 2504 2917 3443 5834 6886 11668 13772 23336 27544 32087 64174 128348 256696 913021 1826042 3652084 7304168 10043231 20086462 40172924 80345848