Search a number
-
+
540393078 = 23131687523
BaseRepresentation
bin100000001101011…
…011111001110110
31101122211210221110
4200031123321312
52101320034303
6125342255450
716251160011
oct4015337166
91348753843
10540393078
11258046355
12130b87586
1387c58824
1451aac378
1532696703
hex2035be76

540393078 has 16 divisors (see below), whose sum is σ = 1089038016. Its totient is φ = 178755720.

The previous prime is 540393043. The next prime is 540393089. The reversal of 540393078 is 870393045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342976 + ... + 344547.

It is an arithmetic number, because the mean of its divisors is an integer number (68064876).

Almost surely, 2540393078 is an apocalyptic number.

540393078 is an abundant number, since it is smaller than the sum of its proper divisors (548644938).

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

540393078 is a wasteful number, since it uses less digits than its factorization.

540393078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687659.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 540393078 is about 23246.3562306010. The cubic root of 540393078 is about 814.5228255452.

The spelling of 540393078 in words is "five hundred forty million, three hundred ninety-three thousand, seventy-eight".

Divisors: 1 2 3 6 131 262 393 786 687523 1375046 2062569 4125138 90065513 180131026 270196539 540393078