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11666425 = 524391063
BaseRepresentation
bin101100100000…
…001111111001
3210221201022211
4230200033321
510441311200
61054015121
7201106621
oct54401771
923851284
1011666425
116649181
123aa74a1
132556214
141799881
151056aba
hexb203f9

11666425 has 12 divisors (see below), whose sum is σ = 14512960. Its totient is φ = 9303120.

The previous prime is 11666419. The next prime is 11666429. The reversal of 11666425 is 52466611.

11666425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11666425 - 25 = 11666393 is a prime.

It is a super-2 number, since 2×116664252 = 272210944561250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11666429) 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, 10444 + ... + 11506.

Almost surely, 211666425 is an apocalyptic number.

It is an amenable number.

11666425 is a deficient number, since it is larger than the sum of its proper divisors (2846535).

11666425 is a wasteful number, since it uses less digits than its factorization.

11666425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512 (or 1507 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 11666425 is about 3415.6148787590. The cubic root of 11666425 is about 226.8015044998.

The spelling of 11666425 in words is "eleven million, six hundred sixty-six thousand, four hundred twenty-five".

Divisors: 1 5 25 439 1063 2195 5315 10975 26575 466657 2333285 11666425