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10664061 = 33554687
BaseRepresentation
bin101000101011…
…100001111101
3202001210100020
4220223201331
510212222221
61020322353
7156433362
oct50534175
922053306
1010664061
116024081
1236a33b9
132294bc5
1415b8469
15e09ac6
hexa2b87d

10664061 has 4 divisors (see below), whose sum is σ = 14218752. Its totient is φ = 7109372.

The previous prime is 10664057. The next prime is 10664099. The reversal of 10664061 is 16046601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10664061 - 22 = 10664057 is a prime.

It is a super-2 number, since 2×106640612 = 227444394023442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10664011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1777341 + ... + 1777346.

It is an arithmetic number, because the mean of its divisors is an integer number (3554688).

Almost surely, 210664061 is an apocalyptic number.

It is an amenable number.

10664061 is a deficient number, since it is larger than the sum of its proper divisors (3554691).

10664061 is an equidigital number, since it uses as much as digits as its factorization.

10664061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554690.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 10664061 is about 3265.5873897356. The cubic root of 10664061 is about 220.1105573796.

The spelling of 10664061 in words is "ten million, six hundred sixty-four thousand, sixty-one".

Divisors: 1 3 3554687 10664061