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2656130 = 25265613
BaseRepresentation
bin1010001000011110000010
311222221112012
422020132002
51134444010
6132532522
731401551
oct12103602
94887465
102656130
111554654
12a81142
1371cc99
144d1d98
15377005
hex288782

2656130 has 8 divisors (see below), whose sum is σ = 4781052. Its totient is φ = 1062448.

The previous prime is 2656117. The next prime is 2656141. The reversal of 2656130 is 316562.

It can be written as a sum of positive squares in 2 ways, for example, as 2621161 + 34969 = 1619^2 + 187^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2656096 and 2656105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132797 + ... + 132816.

22656130 is an apocalyptic number.

2656130 is a deficient number, since it is larger than the sum of its proper divisors (2124922).

2656130 is a wasteful number, since it uses less digits than its factorization.

2656130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265620.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2656130 is about 1629.7637865654. The cubic root of 2656130 is about 138.4893708691.

The spelling of 2656130 in words is "two million, six hundred fifty-six thousand, one hundred thirty".

Divisors: 1 2 5 10 265613 531226 1328065 2656130