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540515020 = 22527025751
BaseRepresentation
bin100000001101111…
…001101011001100
31101200002000012211
4200031321223030
52101332440040
6125345040204
716252205353
oct4015715314
91350060184
10540515020
11258119a31
12131026064
1387c9c196
1451b0099a
15326bc8ea
hex20379acc

540515020 has 12 divisors (see below), whose sum is σ = 1135081584. Its totient is φ = 216206000.

The previous prime is 540514987. The next prime is 540515029. The reversal of 540515020 is 20515045.

It is a junction number, because it is equal to n+sod(n) for n = 540514982 and 540515000.

It is not an unprimeable number, because it can be changed into a prime (540515029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13512856 + ... + 13512895.

It is an arithmetic number, because the mean of its divisors is an integer number (94590132).

Almost surely, 2540515020 is an apocalyptic number.

It is an amenable number.

540515020 is an abundant number, since it is smaller than the sum of its proper divisors (594566564).

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

540515020 is a wasteful number, since it uses less digits than its factorization.

540515020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27025760 (or 27025758 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 540515020 is about 23248.9789023088. The cubic root of 540515020 is about 814.5840877858.

The spelling of 540515020 in words is "five hundred forty million, five hundred fifteen thousand, twenty".

Divisors: 1 2 4 5 10 20 27025751 54051502 108103004 135128755 270257510 540515020