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540707 = 2323509
BaseRepresentation
bin10000100000000100011
31000110201012
42010000203
5114300312
615331135
74411256
oct2040043
91013635
10540707
1133a272
12220aab
1315c15b
1410109d
15aa322
hex84023

540707 has 4 divisors (see below), whose sum is σ = 564240. Its totient is φ = 517176.

The previous prime is 540703. The next prime is 540713. The reversal of 540707 is 707045.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 540707 - 22 = 540703 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 23509 = 540707 / (5 + 4 + 0 + 7 + 0 + 7).

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (540703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11732 + ... + 11777.

It is an arithmetic number, because the mean of its divisors is an integer number (141060).

2540707 is an apocalyptic number.

540707 is a deficient number, since it is larger than the sum of its proper divisors (23533).

540707 is a wasteful number, since it uses less digits than its factorization.

540707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23532.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 540707 is about 735.3278180512. The cubic root of 540707 is about 81.4680517633.

The spelling of 540707 in words is "five hundred forty thousand, seven hundred seven".

Divisors: 1 23 23509 540707