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668834050 = 25231342737
BaseRepresentation
bin100111110111011…
…001100100000010
31201121112021211111
4213313121210002
52332210142200
6150211233534
722400665333
oct4767314402
91647467744
10668834050
113135a2a15
12167ba88aa
13a87497c1
1464b8428a
153dab80ba
hex27dd9902

668834050 has 24 divisors (see below), whose sum is σ = 1248035076. Its totient is φ = 266672640.

The previous prime is 668834041. The next prime is 668834051. The reversal of 668834050 is 50438866.

668834050 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 6 ways, for example, as 105863521 + 562970529 = 10289^2 + 23727^2 .

It is a junction number, because it is equal to n+sod(n) for n = 668833994 and 668834012.

It is not an unprimeable number, because it can be changed into a prime (668834051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5719 + ... + 37018.

Almost surely, 2668834050 is an apocalyptic number.

668834050 is a deficient number, since it is larger than the sum of its proper divisors (579201026).

668834050 is a wasteful number, since it uses less digits than its factorization.

668834050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43062 (or 43057 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 668834050 is about 25861.8261149517. The cubic root of 668834050 is about 874.5261325330.

The spelling of 668834050 in words is "six hundred sixty-eight million, eight hundred thirty-four thousand, fifty".

Divisors: 1 2 5 10 25 50 313 626 1565 3130 7825 15650 42737 85474 213685 427370 1068425 2136850 13376681 26753362 66883405 133766810 334417025 668834050