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868018752 = 26321506977
BaseRepresentation
bin110011101111001…
…110101001000000
32020111022220212200
4303233032221000
53234203100002
6222044353200
730340015626
oct6357165100
92214286780
10868018752
11405a79377
12202845800
1310aaa9983
14833d3516
1551310b1c
hex33bcea40

868018752 has 42 divisors (see below), whose sum is σ = 2488020678. Its totient is φ = 289339392.

The previous prime is 868018751. The next prime is 868018757. The reversal of 868018752 is 257810868.

868018752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 594579456 + 273439296 = 24384^2 + 16536^2 .

It is a junction number, because it is equal to n+sod(n) for n = 868018698 and 868018707.

It is not an unprimeable number, because it can be changed into a prime (868018751) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 752913 + ... + 754064.

Almost surely, 2868018752 is an apocalyptic number.

It is an amenable number.

868018752 is an abundant number, since it is smaller than the sum of its proper divisors (1620001926).

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

868018752 is a wasteful number, since it uses less digits than its factorization.

868018752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506995 (or 1506982 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 868018752 is about 29462.1579657703. The cubic root of 868018752 is about 953.9150538132.

The spelling of 868018752 in words is "eight hundred sixty-eight million, eighteen thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 1506977 3013954 4520931 6027908 9041862 12055816 13562793 18083724 24111632 27125586 36167448 48223264 54251172 72334896 96446528 108502344 144669792 217004688 289339584 434009376 868018752