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20325008 = 2411235021
BaseRepresentation
bin100110110001…
…0001010010000
31102020121200002
41031202022100
520200400013
62003345132
7334521404
oct115421220
942217602
1020325008
1110522530
1269821a8
134298342
1429b1104
151bb7358
hex1362290

20325008 has 40 divisors (see below), whose sum is σ = 44836416. Its totient is φ = 8835200.

The previous prime is 20324999. The next prime is 20325049. The reversal of 20325008 is 80052302.

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, 1538 + ... + 6558.

Almost surely, 220325008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20325008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22418208).

20325008 is an abundant number, since it is smaller than the sum of its proper divisors (24511408).

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

20325008 is a wasteful number, since it uses less digits than its factorization.

20325008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5063 (or 5057 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 20325008 is about 4508.3265187872. The cubic root of 20325008 is about 272.9042139596.

The spelling of 20325008 in words is "twenty million, three hundred twenty-five thousand, eight".

Divisors: 1 2 4 8 11 16 22 23 44 46 88 92 176 184 253 368 506 1012 2024 4048 5021 10042 20084 40168 55231 80336 110462 115483 220924 230966 441848 461932 883696 923864 1270313 1847728 2540626 5081252 10162504 20325008