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540512890 = 25163331603
BaseRepresentation
bin100000001101111…
…001001001111010
31101200001220021221
4200031321021322
52101332403030
6125345022254
716252166221
oct4015711172
91350056257
10540512890
11258118375
1213102498a
1387c9b218
1451addcb8
15326bbe7a
hex2037927a

540512890 has 16 divisors (see below), whose sum is σ = 978895008. Its totient is φ = 214878096.

The previous prime is 540512851. The next prime is 540512897. The reversal of 540512890 is 98215045.

It is not an unprimeable number, because it can be changed into a prime (540512897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164172 + ... + 167431.

It is an arithmetic number, because the mean of its divisors is an integer number (61180938).

Almost surely, 2540512890 is an apocalyptic number.

540512890 is a deficient number, since it is larger than the sum of its proper divisors (438382118).

540512890 is a wasteful number, since it uses less digits than its factorization.

540512890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331773.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 540512890 is about 23248.9330938002. The cubic root of 540512890 is about 814.5830177777.

The spelling of 540512890 in words is "five hundred forty million, five hundred twelve thousand, eight hundred ninety".

Divisors: 1 2 5 10 163 326 815 1630 331603 663206 1658015 3316030 54051289 108102578 270256445 540512890