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80825960 = 2359912039
BaseRepresentation
bin1001101000101…
…00111001101000
312122002101101002
410310110321220
5131142412320
612004214132
72001003125
oct464247150
9178071332
1080825960
1141695816
122309a348
131398c317
14aa3d74c
157168675
hex4d14e68

80825960 has 32 divisors (see below), whose sum is σ = 182131200. Its totient is φ = 32281920.

The previous prime is 80825923. The next prime is 80825971. The reversal of 80825960 is 6952808.

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, 38621 + ... + 40659.

It is an arithmetic number, because the mean of its divisors is an integer number (5691600).

Almost surely, 280825960 is an apocalyptic number.

It is an amenable number.

80825960 is an abundant number, since it is smaller than the sum of its proper divisors (101305240).

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

80825960 is a wasteful number, since it uses less digits than its factorization.

80825960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3041 (or 3037 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 80825960 is about 8990.3259117787. The cubic root of 80825960 is about 432.3647610844.

The spelling of 80825960 in words is "eighty million, eight hundred twenty-five thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 991 1982 2039 3964 4078 4955 7928 8156 9910 10195 16312 19820 20390 39640 40780 81560 2020649 4041298 8082596 10103245 16165192 20206490 40412980 80825960