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742975 = 52113263
BaseRepresentation
bin10110101011000111111
31101202011121
42311120333
5142233400
623531411
76213052
oct2653077
91352147
10742975
11468232
122b9b67
1320023c
14154a99
15ea21a
hexb563f

742975 has 12 divisors (see below), whose sum is σ = 932976. Its totient is φ = 586880.

The previous prime is 742967. The next prime is 742981. The reversal of 742975 is 579247.

It is not a de Polignac number, because 742975 - 23 = 742967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 742975.

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, 2694 + ... + 2956.

It is an arithmetic number, because the mean of its divisors is an integer number (77748).

2742975 is an apocalyptic number.

742975 is a deficient number, since it is larger than the sum of its proper divisors (190001).

742975 is a wasteful number, since it uses less digits than its factorization.

742975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 381 counting only the distinct ones).

The product of its digits is 17640, while the sum is 34.

The square root of 742975 is about 861.9599758689. The cubic root of 742975 is about 90.5714665997.

The spelling of 742975 in words is "seven hundred forty-two thousand, nine hundred seventy-five".

Divisors: 1 5 25 113 263 565 1315 2825 6575 29719 148595 742975