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799868052 = 223222218557
BaseRepresentation
bin101111101011010…
…000010010010100
32001202002111200200
4233223100102110
53114231234202
6211211540500
725551523554
oct5753202224
92052074620
10799868052
11380560785
121a3a5a730
13c9937b09
1478333164
154a34ce1c
hex2fad0494

799868052 has 18 divisors (see below), whose sum is σ = 2021888778. Its totient is φ = 266622672.

The previous prime is 799867967. The next prime is 799868063. The reversal of 799868052 is 250868997.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 778744836 + 21123216 = 27906^2 + 4596^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×7998680522 = 1279577801220549408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 799868052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11109243 + ... + 11109314.

Almost surely, 2799868052 is an apocalyptic number.

It is an amenable number.

799868052 is an abundant number, since it is smaller than the sum of its proper divisors (1222020726).

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

799868052 is a wasteful number, since it uses less digits than its factorization.

799868052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22218567 (or 22218562 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The square root of 799868052 is about 28281.9386181358. The cubic root of 799868052 is about 928.2667265527.

The spelling of 799868052 in words is "seven hundred ninety-nine million, eight hundred sixty-eight thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 22218557 44437114 66655671 88874228 133311342 199967013 266622684 399934026 799868052