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540807 = 3712539
BaseRepresentation
bin10000100000010000111
31000110211220
42010002013
5114301212
615331423
74411461
oct2040207
91013756
10540807
1133a353
12220b73
1315c207
14101131
15aa38c
hex84087

540807 has 8 divisors (see below), whose sum is σ = 731520. Its totient is φ = 355320.

The previous prime is 540803. The next prime is 540809. The reversal of 540807 is 708045.

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

It is not a de Polignac number, because 540807 - 22 = 540803 is a prime.

It is a super-2 number, since 2×5408072 = 584944422498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540803) 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, 1057 + ... + 1482.

It is an arithmetic number, because the mean of its divisors is an integer number (91440).

2540807 is an apocalyptic number.

540807 is a deficient number, since it is larger than the sum of its proper divisors (190713).

540807 is a wasteful number, since it uses less digits than its factorization.

540807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 540807 is about 735.3958117912. The cubic root of 540807 is about 81.4730737703.

The spelling of 540807 in words is "five hundred forty thousand, eight hundred seven".

Divisors: 1 3 71 213 2539 7617 180269 540807