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656425002 = 23109404167
BaseRepresentation
bin100111001000000…
…100000000101010
31200202011211211010
4213020010000222
52321021100002
6145045244350
722160343342
oct4710040052
91622154733
10656425002
11307597902
12163a036b6
13a5cc357c
1463273d22
153c96646c
hex2720402a

656425002 has 8 divisors (see below), whose sum is σ = 1312850016. Its totient is φ = 218808332.

The previous prime is 656425001. The next prime is 656425039. The reversal of 656425002 is 200524656.

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

656425002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (656425001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54702078 + ... + 54702089.

It is an arithmetic number, because the mean of its divisors is an integer number (164106252).

Almost surely, 2656425002 is an apocalyptic number.

656425002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

656425002 is a wasteful number, since it uses less digits than its factorization.

656425002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109404172.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 656425002 is about 25620.7923765055. The cubic root of 656425002 is about 869.0839002756.

Adding to 656425002 its reverse (200524656), we get a palindrome (856949658).

The spelling of 656425002 in words is "six hundred fifty-six million, four hundred twenty-five thousand, two".

Divisors: 1 2 3 6 109404167 218808334 328212501 656425002