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80676325 = 527974049
BaseRepresentation
bin1001100111100…
…00010111100101
312121210210010001
410303300113211
5131123120300
612001101301
71666510642
oct463602745
9177723101
1080676325
11415a3354
1223027831
1313939192
14aa00dc9
15713916a
hex4cf05e5

80676325 has 12 divisors (see below), whose sum is σ = 100188900. Its totient is φ = 64444160.

The previous prime is 80676313. The next prime is 80676359. The reversal of 80676325 is 52367608.

It is a Cunningham number, because it is equal to 89822+1.

It can be written as a sum of positive squares in 6 ways, for example, as 6320196 + 74356129 = 2514^2 + 8623^2 .

It is not a de Polignac number, because 80676325 - 25 = 80676293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17901 + ... + 21949.

It is an arithmetic number, because the mean of its divisors is an integer number (8349075).

Almost surely, 280676325 is an apocalyptic number.

It is an amenable number.

80676325 is a deficient number, since it is larger than the sum of its proper divisors (19512575).

80676325 is a wasteful number, since it uses less digits than its factorization.

80676325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4856 (or 4851 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 80676325 is about 8982.0000556669. Note that the first 4 decimals coincide. The cubic root of 80676325 is about 432.0977805783.

The spelling of 80676325 in words is "eighty million, six hundred seventy-six thousand, three hundred twenty-five".

Divisors: 1 5 25 797 3985 4049 19925 20245 101225 3227053 16135265 80676325