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6405060 = 2235106751
BaseRepresentation
bin11000011011101111000100
3110001102002110
4120123233010
53114430220
6345141020
7105304434
oct30335704
913042073
106405060
113685242
12218a770
13143349c
14bca2c4
15867be0
hex61bbc4

6405060 has 24 divisors (see below), whose sum is σ = 17934336. Its totient is φ = 1708000.

The previous prime is 6405059. The next prime is 6405067. The reversal of 6405060 is 605046.

6405060 is digitally balanced in base 4 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (6405067) 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, 53316 + ... + 53435.

It is an arithmetic number, because the mean of its divisors is an integer number (747264).

Almost surely, 26405060 is an apocalyptic number.

6405060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6405060 is an abundant number, since it is smaller than the sum of its proper divisors (11529276).

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

6405060 is a wasteful number, since it uses less digits than its factorization.

6405060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106763 (or 106761 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 6405060 is about 2530.8220008527. The cubic root of 6405060 is about 185.7124705373.

The spelling of 6405060 in words is "six million, four hundred five thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 106751 213502 320253 427004 533755 640506 1067510 1281012 1601265 2135020 3202530 6405060