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2742575 = 52119973
BaseRepresentation
bin1010011101100100101111
312011100002212
422131210233
51200230300
6134441035
732211563
oct12354457
95140085
102742575
1116035a0
12b0317b
13750434
145156a3
15392935
hex29d92f

2742575 has 12 divisors (see below), whose sum is σ = 3710328. Its totient is φ = 1994400.

The previous prime is 2742563. The next prime is 2742587. The reversal of 2742575 is 5752472.

It is an interprime number because it is at equal distance from previous prime (2742563) and next prime (2742587).

It is a de Polignac number, because none of the positive numbers 2k-2742575 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 4712 + ... + 5261.

It is an arithmetic number, because the mean of its divisors is an integer number (309194).

22742575 is an apocalyptic number.

2742575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2742575 is a deficient number, since it is larger than the sum of its proper divisors (967753).

2742575 is a wasteful number, since it uses less digits than its factorization.

2742575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9994 (or 9989 counting only the distinct ones).

The product of its digits is 19600, while the sum is 32.

The square root of 2742575 is about 1656.0721602636. The cubic root of 2742575 is about 139.9757611098.

The spelling of 2742575 in words is "two million, seven hundred forty-two thousand, five hundred seventy-five".

Divisors: 1 5 11 25 55 275 9973 49865 109703 249325 548515 2742575