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540528864 = 25316334543
BaseRepresentation
bin100000001101111…
…101000011100000
31101200002201012120
4200031331003200
52101333410424
6125345224240
716252263621
oct4015750340
91350081176
10540528864
11258129377
12131032080
1387ca5585
1451b05a48
15326c1a79
hex2037d0e0

540528864 has 48 divisors (see below), whose sum is σ = 1427634432. Its totient is φ = 179065728.

The previous prime is 540528841. The next prime is 540528881. The reversal of 540528864 is 468825045.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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, 1624 + ... + 32919.

It is an arithmetic number, because the mean of its divisors is an integer number (29742384).

Almost surely, 2540528864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540528864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (713817216).

540528864 is an abundant number, since it is smaller than the sum of its proper divisors (887105568).

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

540528864 is a wasteful number, since it uses less digits than its factorization.

540528864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34719 (or 34711 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 540528864 is about 23249.2766339084. The cubic root of 540528864 is about 814.5910422677.

The spelling of 540528864 in words is "five hundred forty million, five hundred twenty-eight thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 163 326 489 652 978 1304 1956 2608 3912 5216 7824 15648 34543 69086 103629 138172 207258 276344 414516 552688 829032 1105376 1658064 3316128 5630509 11261018 16891527 22522036 33783054 45044072 67566108 90088144 135132216 180176288 270264432 540528864