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656300053 = 5216911823
BaseRepresentation
bin100111000111100…
…101100000010101
31200201221111102101
4213013211200111
52321003100203
6145042442101
722156313143
oct4707454025
91621844371
10656300053
11307511a42
12163963331
13a5c7b736
1463240593
153c93e41d
hex271e5815

656300053 has 8 divisors (see below), whose sum is σ = 658872576. Its totient is φ = 653733600.

The previous prime is 656300023. The next prime is 656300063. The reversal of 656300053 is 350003656.

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

It is a cyclic number.

It is not a de Polignac number, because 656300053 - 225 = 622745621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 656299994 and 656300030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656300023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359100 + ... + 360922.

It is an arithmetic number, because the mean of its divisors is an integer number (82359072).

Almost surely, 2656300053 is an apocalyptic number.

It is an amenable number.

656300053 is a deficient number, since it is larger than the sum of its proper divisors (2572523).

656300053 is a wasteful number, since it uses less digits than its factorization.

656300053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 656300053 is about 25618.3538307987. The cubic root of 656300053 is about 869.0287540646.

The spelling of 656300053 in words is "six hundred fifty-six million, three hundred thousand, fifty-three".

Divisors: 1 521 691 1823 360011 949783 1259693 656300053