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540725 = 5243503
BaseRepresentation
bin10000100000000110101
31000110201212
42010000311
5114300400
615331205
74411313
oct2040065
91013655
10540725
1133a289
12220b05
1315c173
141010b3
15aa335
hex84035

540725 has 12 divisors (see below), whose sum is σ = 687456. Its totient is φ = 421680.

The previous prime is 540713. The next prime is 540751. The reversal of 540725 is 527045.

It is not a de Polignac number, because 540725 - 28 = 540469 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 540725.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 540725.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 824 + ... + 1326.

It is an arithmetic number, because the mean of its divisors is an integer number (57288).

2540725 is an apocalyptic number.

It is an amenable number.

540725 is a deficient number, since it is larger than the sum of its proper divisors (146731).

540725 is a wasteful number, since it uses less digits than its factorization.

540725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 540725 is about 735.3400573884. The cubic root of 540725 is about 81.4689557702.

The spelling of 540725 in words is "five hundred forty thousand, seven hundred twenty-five".

Divisors: 1 5 25 43 215 503 1075 2515 12575 21629 108145 540725