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540786890 = 2577725527
BaseRepresentation
bin100000001110111…
…100000011001010
31101200120211011002
4200032330003022
52101420140030
6125354535002
716254420110
oct4016740312
91350524132
10540786890
11258295216
12131137462
1388065b57
1451b71ab0
1532723245
hex203bc0ca

540786890 has 16 divisors (see below), whose sum is σ = 1112476032. Its totient is φ = 185412624.

The previous prime is 540786887. The next prime is 540786919. The reversal of 540786890 is 98687045.

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, 3862694 + ... + 3862833.

It is an arithmetic number, because the mean of its divisors is an integer number (69529752).

Almost surely, 2540786890 is an apocalyptic number.

540786890 is an abundant number, since it is smaller than the sum of its proper divisors (571689142).

540786890 is a wasteful number, since it uses less digits than its factorization.

540786890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7725541.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 540786890 is about 23254.8250907204. The cubic root of 540786890 is about 814.7206389440.

The spelling of 540786890 in words is "five hundred forty million, seven hundred eighty-six thousand, eight hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 7725527 15451054 38627635 54078689 77255270 108157378 270393445 540786890