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2702139 = 31181883
BaseRepresentation
bin1010010011101100111011
312002021122020
422103230323
51142432024
6133525523
731652646
oct12235473
95067566
102702139
111586180
12aa38a3
13737bcb
14504a5d
15385979
hex293b3b

2702139 has 8 divisors (see below), whose sum is σ = 3930432. Its totient is φ = 1637640.

The previous prime is 2702113. The next prime is 2702143. The reversal of 2702139 is 9312072.

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

It is not a de Polignac number, because 2702139 - 25 = 2702107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2702159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40909 + ... + 40974.

It is an arithmetic number, because the mean of its divisors is an integer number (491304).

22702139 is an apocalyptic number.

2702139 is a deficient number, since it is larger than the sum of its proper divisors (1228293).

2702139 is a wasteful number, since it uses less digits than its factorization.

2702139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81897.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 2702139 is about 1643.8184206292. The cubic root of 2702139 is about 139.2844270004.

The spelling of 2702139 in words is "two million, seven hundred two thousand, one hundred thirty-nine".

Divisors: 1 3 11 33 81883 245649 900713 2702139