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80533368 = 23321118519
BaseRepresentation
bin1001100110011…
…01011101111000
312121112112000100
410303031131320
5131104031433
611554035400
71665344106
oct463153570
9177475010
1080533368
1141505a03
1222b78b60
13138b90a6
14a9a4c76
15710bb13
hex4ccd778

80533368 has 24 divisors (see below), whose sum is σ = 218111400. Its totient is φ = 26844432.

The previous prime is 80533363. The next prime is 80533433. The reversal of 80533368 is 86333508.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×805333682 = 12971246722846848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80533361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 559188 + ... + 559331.

It is an arithmetic number, because the mean of its divisors is an integer number (9087975).

Almost surely, 280533368 is an apocalyptic number.

It is an amenable number.

80533368 is an abundant number, since it is smaller than the sum of its proper divisors (137578032).

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

80533368 is a wasteful number, since it uses less digits than its factorization.

80533368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118531 (or 1118524 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 80533368 is about 8974.0385557451. The cubic root of 80533368 is about 431.8424065087.

The spelling of 80533368 in words is "eighty million, five hundred thirty-three thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1118519 2237038 3355557 4474076 6711114 8948152 10066671 13422228 20133342 26844456 40266684 80533368