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2045205204 = 223724347681
BaseRepresentation
bin111100111100111…
…0101101011010100
312021112102012002220
41321321311223110
513142033031304
6534535502340
7101452646250
oct17171655324
95245365086
102045205204
1195a512a39
12490b279b0
132679441c3
141558a5260
15be841ad9
hex79e75ad4

2045205204 has 24 divisors (see below), whose sum is σ = 5453880768. Its totient is φ = 584344320.

The previous prime is 2045205199. The next prime is 2045205209. The reversal of 2045205204 is 4025025402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2045205199) and next prime (2045205209).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045205209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12173757 + ... + 12173924.

It is an arithmetic number, because the mean of its divisors is an integer number (227245032).

Almost surely, 22045205204 is an apocalyptic number.

It is an amenable number.

2045205204 is an abundant number, since it is smaller than the sum of its proper divisors (3408675564).

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

2045205204 is a wasteful number, since it uses less digits than its factorization.

2045205204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24347695 (or 24347693 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 2045205204 is about 45223.9450291546. The cubic root of 2045205204 is about 1269.3429142687.

The spelling of 2045205204 in words is "two billion, forty-five million, two hundred five thousand, two hundred four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 24347681 48695362 73043043 97390724 146086086 170433767 292172172 340867534 511301301 681735068 1022602602 2045205204