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80625589 = 1167109397
BaseRepresentation
bin1001100111000…
…11111110110101
312121201012111221
410303203332311
5131120004324
612000030341
71666210012
oct463437665
9177635457
1080625589
1141569220
12230023b1
131391c065
14a9ca709
1571290e4
hex4ce3fb5

80625589 has 8 divisors (see below), whose sum is σ = 89268768. Its totient is φ = 72201360.

The previous prime is 80625581. The next prime is 80625617. The reversal of 80625589 is 98552608.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80625589 - 23 = 80625581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80625581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53962 + ... + 55435.

It is an arithmetic number, because the mean of its divisors is an integer number (11158596).

Almost surely, 280625589 is an apocalyptic number.

It is an amenable number.

80625589 is a deficient number, since it is larger than the sum of its proper divisors (8643179).

80625589 is a wasteful number, since it uses less digits than its factorization.

80625589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109475.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 80625589 is about 8979.1752962062. The cubic root of 80625589 is about 432.0071818793.

The spelling of 80625589 in words is "eighty million, six hundred twenty-five thousand, five hundred eighty-nine".

Divisors: 1 11 67 737 109397 1203367 7329599 80625589