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2052207945 = 32545604621
BaseRepresentation
bin111101001010010…
…0011010101001001
312022000120222001200
41322110203111021
513200331123240
6535345534413
7101566323354
oct17224432511
95260528050
102052207945
11963466227
12493344409
13269226738
141567a929b
15c0276930
hex7a523549

2052207945 has 12 divisors (see below), whose sum is σ = 3557160516. Its totient is φ = 1094510880.

The previous prime is 2052207929. The next prime is 2052207977. The reversal of 2052207945 is 5497022502.

It is a happy number.

2052207945 is a `hidden beast` number, since 20 + 522 + 0 + 79 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 491641929 + 1560566016 = 22173^2 + 39504^2 .

It is not a de Polignac number, because 2052207945 - 24 = 2052207929 is a prime.

It is a super-2 number, since 2×20522079452 = 8423114899042246050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22802266 + ... + 22802355.

It is an arithmetic number, because the mean of its divisors is an integer number (296430043).

Almost surely, 22052207945 is an apocalyptic number.

It is an amenable number.

2052207945 is a deficient number, since it is larger than the sum of its proper divisors (1504952571).

2052207945 is a wasteful number, since it uses less digits than its factorization.

2052207945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45604632 (or 45604629 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 2052207945 is about 45301.3018024869. The cubic root of 2052207945 is about 1270.7899986967.

The spelling of 2052207945 in words is "two billion, fifty-two million, two hundred seven thousand, nine hundred forty-five".

Divisors: 1 3 5 9 15 45 45604621 136813863 228023105 410441589 684069315 2052207945