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540726 = 2390121
BaseRepresentation
bin10000100000000110110
31000110201220
42010000312
5114300401
615331210
74411314
oct2040066
91013656
10540726
1133a28a
12220b06
1315c174
141010b4
15aa336
hex84036

540726 has 8 divisors (see below), whose sum is σ = 1081464. Its totient is φ = 180240.

The previous prime is 540713. The next prime is 540751. The reversal of 540726 is 627045.

It is a happy number.

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

540726 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 540696 and 540705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45055 + ... + 45066.

It is an arithmetic number, because the mean of its divisors is an integer number (135183).

2540726 is an apocalyptic number.

540726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540726 is a wasteful number, since it uses less digits than its factorization.

540726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90126.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 540726 is about 735.3407373456. The cubic root of 540726 is about 81.4690059923.

The spelling of 540726 in words is "five hundred forty thousand, seven hundred twenty-six".

Divisors: 1 2 3 6 90121 180242 270363 540726