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2612139 = 31945827
BaseRepresentation
bin1001111101101110101011
311220201011220
421331232223
51132042024
6131553123
731126365
oct11755653
94821156
102612139
1115245a2
12a5b7a3
13705c5a
144bdd35
15368e79
hex27dbab

2612139 has 8 divisors (see below), whose sum is σ = 3666240. Its totient is φ = 1649736.

The previous prime is 2612131. The next prime is 2612143. The reversal of 2612139 is 9312162.

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

It is not a de Polignac number, because 2612139 - 23 = 2612131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2612131) 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, 22857 + ... + 22970.

It is an arithmetic number, because the mean of its divisors is an integer number (458280).

22612139 is an apocalyptic number.

2612139 is a deficient number, since it is larger than the sum of its proper divisors (1054101).

2612139 is a wasteful number, since it uses less digits than its factorization.

2612139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45849.

The product of its digits is 648, while the sum is 24.

The square root of 2612139 is about 1616.2113104418. The cubic root of 2612139 is about 137.7205540247.

The spelling of 2612139 in words is "two million, six hundred twelve thousand, one hundred thirty-nine".

Divisors: 1 3 19 57 45827 137481 870713 2612139