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540757 = 7671153
BaseRepresentation
bin10000100000001010101
31000110210001
42010001111
5114301012
615331301
74411360
oct2040125
91013701
10540757
1133a308
12220b31
1315c199
141010d7
15aa357
hex84055

540757 has 8 divisors (see below), whose sum is σ = 627776. Its totient is φ = 456192.

The previous prime is 540751. The next prime is 540769. The reversal of 540757 is 757045.

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

It is a cyclic number.

It is not a de Polignac number, because 540757 - 27 = 540629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108 + ... + 1045.

It is an arithmetic number, because the mean of its divisors is an integer number (78472).

2540757 is an apocalyptic number.

It is an amenable number.

540757 is a deficient number, since it is larger than the sum of its proper divisors (87019).

540757 is a wasteful number, since it uses less digits than its factorization.

540757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227.

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 540757 is about 735.3618157071. The cubic root of 540757 is about 81.4705628442.

The spelling of 540757 in words is "five hundred forty thousand, seven hundred fifty-seven".

Divisors: 1 7 67 469 1153 8071 77251 540757