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540805880 = 23513520147
BaseRepresentation
bin100000001111000…
…000101011111000
31101200121210012102
4200033000223320
52101421242010
6125355202532
716254526346
oct4017005370
91350553172
10540805880
112582a850a
12131146448
13880716a4
1451b78996
1532728ba5
hex203c0af8

540805880 has 16 divisors (see below), whose sum is σ = 1216813320. Its totient is φ = 216322336.

The previous prime is 540805861. The next prime is 540805897. The reversal of 540805880 is 88508045.

It is a super-3 number, since 3×5408058803 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6760034 + ... + 6760113.

Almost surely, 2540805880 is an apocalyptic number.

It is an amenable number.

540805880 is an abundant number, since it is smaller than the sum of its proper divisors (676007440).

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

540805880 is a wasteful number, since it uses less digits than its factorization.

540805880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13520158 (or 13520154 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 38.

The square root of 540805880 is about 23255.2333894975. The cubic root of 540805880 is about 814.7301752722.

The spelling of 540805880 in words is "five hundred forty million, eight hundred five thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 13520147 27040294 54080588 67600735 108161176 135201470 270402940 540805880