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545245770 = 23518174859
BaseRepresentation
bin100000011111111…
…100101001001010
31101222222100120210
4200133330221022
52104040331040
6130034301550
716340340546
oct4037745112
91358870523
10545245770
1125a860243
121327278b6
1388c67544
14525b2a26
1532d04480
hex207fca4a

545245770 has 16 divisors (see below), whose sum is σ = 1308589920. Its totient is φ = 145398864.

The previous prime is 545245769. The next prime is 545245783. The reversal of 545245770 is 77542545.

545245770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 9087400 + ... + 9087459.

It is an arithmetic number, because the mean of its divisors is an integer number (81786870).

Almost surely, 2545245770 is an apocalyptic number.

545245770 is an abundant number, since it is smaller than the sum of its proper divisors (763344150).

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

545245770 is a wasteful number, since it uses less digits than its factorization.

545245770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18174869.

The product of its (nonzero) digits is 196000, while the sum is 39.

The square root of 545245770 is about 23350.4982816213. The cubic root of 545245770 is about 816.9536830030.

The spelling of 545245770 in words is "five hundred forty-five million, two hundred forty-five thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 18174859 36349718 54524577 90874295 109049154 181748590 272622885 545245770