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2742590 = 25274259
BaseRepresentation
bin1010011101100100111110
312011100010102
422131210332
51200230330
6134441102
732211614
oct12354476
95140112
102742590
111603604
12b03192
13750446
145156b4
15392945
hex29d93e

2742590 has 8 divisors (see below), whose sum is σ = 4936680. Its totient is φ = 1097032.

The previous prime is 2742587. The next prime is 2742629. The reversal of 2742590 is 952472.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 137120 + ... + 137139.

It is an arithmetic number, because the mean of its divisors is an integer number (617085).

22742590 is an apocalyptic number.

2742590 is a deficient number, since it is larger than the sum of its proper divisors (2194090).

2742590 is a wasteful number, since it uses less digits than its factorization.

2742590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274266.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2742590 is about 1656.0766890455. The cubic root of 2742590 is about 139.9760162997.

The spelling of 2742590 in words is "two million, seven hundred forty-two thousand, five hundred ninety".

Divisors: 1 2 5 10 274259 548518 1371295 2742590