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10663868 = 222665967
BaseRepresentation
bin101000101011…
…011110111100
3202001210002002
4220223132330
510212220433
61020321432
7156432665
oct50533674
922053062
1010663868
116023a16
1236a3278
132294aa7
1415b836c
15e099e8
hexa2b7bc

10663868 has 6 divisors (see below), whose sum is σ = 18661776. Its totient is φ = 5331932.

The previous prime is 10663867. The next prime is 10663901. The reversal of 10663868 is 86836601.

It is a super-2 number, since 2×106638682 = 227436161442848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10663867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332980 + ... + 1332987.

It is an arithmetic number, because the mean of its divisors is an integer number (3110296).

Almost surely, 210663868 is an apocalyptic number.

It is an amenable number.

10663868 is a deficient number, since it is larger than the sum of its proper divisors (7997908).

10663868 is a wasteful number, since it uses less digits than its factorization.

10663868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665971 (or 2665969 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 10663868 is about 3265.5578390223. The cubic root of 10663868 is about 220.1092295054.

The spelling of 10663868 in words is "ten million, six hundred sixty-three thousand, eight hundred sixty-eight".

Divisors: 1 2 4 2665967 5331934 10663868