Search a number
-
+
540371958 = 23712865999
BaseRepresentation
bin100000001101010…
…110101111110110
31101122210201222020
4200031112233312
52101313400313
6125342014010
716251041310
oct4015265766
91348721866
10540371958
112580314a5
12130b77306
1387c4c029
1451aa47b0
1532690323
hex20356bf6

540371958 has 16 divisors (see below), whose sum is σ = 1235136000. Its totient is φ = 154391976.

The previous prime is 540371947. The next prime is 540371971. The reversal of 540371958 is 859173045.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 12865999 = 540371958 / (5 + 4 + 0 + 3 + 7 + 1 + 9 + 5 + 8).

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, 6432958 + ... + 6433041.

It is an arithmetic number, because the mean of its divisors is an integer number (77196000).

Almost surely, 2540371958 is an apocalyptic number.

540371958 is an abundant number, since it is smaller than the sum of its proper divisors (694764042).

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

540371958 is a wasteful number, since it uses less digits than its factorization.

540371958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12866011.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 540371958 is about 23245.9019614211. The cubic root of 540371958 is about 814.5122141669.

The spelling of 540371958 in words is "five hundred forty million, three hundred seventy-one thousand, nine hundred fifty-eight".

Divisors: 1 2 3 6 7 14 21 42 12865999 25731998 38597997 77195994 90061993 180123986 270185979 540371958