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80285892 = 2238837577
BaseRepresentation
bin1001100100100…
…01000011000100
312121001221112120
410302101003010
5131023122032
611544445540
71663263441
oct462210304
9177057476
1080285892
1141356a85
1222a798b0
131383055b
14a93c9c8
1570ad62c
hex4c910c4

80285892 has 24 divisors (see below), whose sum is σ = 187570656. Its totient is φ = 26728128.

The previous prime is 80285873. The next prime is 80285897. The reversal of 80285892 is 29858208.

It is not an unprimeable number, because it can be changed into a prime (80285897) 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, 6808 + ... + 14384.

It is an arithmetic number, because the mean of its divisors is an integer number (7815444).

Almost surely, 280285892 is an apocalyptic number.

It is an amenable number.

80285892 is an abundant number, since it is smaller than the sum of its proper divisors (107284764).

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

80285892 is a wasteful number, since it uses less digits than its factorization.

80285892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8467 (or 8465 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 80285892 is about 8960.2395057275. The cubic root of 80285892 is about 431.3996074921.

The spelling of 80285892 in words is "eighty million, two hundred eighty-five thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 883 1766 2649 3532 5298 7577 10596 15154 22731 30308 45462 90924 6690491 13380982 20071473 26761964 40142946 80285892