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10663808 = 2783311
BaseRepresentation
bin101000101011…
…011110000000
3202001202222212
4220223132000
510212220213
61020321252
7156432551
oct50533600
922052885
1010663808
116023971
1236a3228
132294a5c
1415b8328
15e099a8
hexa2b780

10663808 has 16 divisors (see below), whose sum is σ = 21244560. Its totient is φ = 5331840.

The previous prime is 10663801. The next prime is 10663819. The reversal of 10663808 is 80836601.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×106638082 = 227433602121728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10663801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41528 + ... + 41783.

It is an arithmetic number, because the mean of its divisors is an integer number (1327785).

Almost surely, 210663808 is an apocalyptic number.

It is an amenable number.

10663808 is a deficient number, since it is larger than the sum of its proper divisors (10580752).

10663808 is an frugal number, since it uses more digits than its factorization.

10663808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83325 (or 83313 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 10663808 is about 3265.5486522176. The cubic root of 10663808 is about 220.1088166915.

The spelling of 10663808 in words is "ten million, six hundred sixty-three thousand, eight hundred eight".

Divisors: 1 2 4 8 16 32 64 128 83311 166622 333244 666488 1332976 2665952 5331904 10663808