Search a number
-
+
540715 = 5722207
BaseRepresentation
bin10000100000000101011
31000110201111
42010000223
5114300330
615331151
74411300
oct2040053
91013644
10540715
1133a27a
12220ab7
1315c166
141010a7
15aa32a
hex8402b

540715 has 12 divisors (see below), whose sum is σ = 755136. Its totient is φ = 370608.

The previous prime is 540713. The next prime is 540751. The reversal of 540715 is 517045.

It is not a de Polignac number, because 540715 - 21 = 540713 is a prime.

It is a super-2 number, since 2×5407152 = 584745422450, which contains 22 as substring.

It is a Duffinian number.

540715 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (540713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 859 + ... + 1348.

It is an arithmetic number, because the mean of its divisors is an integer number (62928).

2540715 is an apocalyptic number.

540715 is a deficient number, since it is larger than the sum of its proper divisors (214421).

540715 is a wasteful number, since it uses less digits than its factorization.

540715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226 (or 2219 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 540715 is about 735.3332577818. Note that the first 3 decimals coincide. The cubic root of 540715 is about 81.4684535466.

The spelling of 540715 in words is "five hundred forty thousand, seven hundred fifteen".

Divisors: 1 5 7 35 49 245 2207 11035 15449 77245 108143 540715