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10660609 = 97110979
BaseRepresentation
bin101000101010…
…101100000001
3202001121121101
4220222230001
510212114414
61020254401
7156420331
oct50525401
922047541
1010660609
116021523
1236a1401
13229346b
1415b70c1
15e08a74
hexa2ab01

10660609 has 4 divisors (see below), whose sum is σ = 10672560. Its totient is φ = 10648660.

The previous prime is 10660597. The next prime is 10660627. The reversal of 10660609 is 90606601.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2k-10660609 is a prime.

It is a super-2 number, since 2×106606092 = 227297168501762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10660669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4519 + ... + 6460.

It is an arithmetic number, because the mean of its divisors is an integer number (2668140).

Almost surely, 210660609 is an apocalyptic number.

It is an amenable number.

10660609 is a deficient number, since it is larger than the sum of its proper divisors (11951).

10660609 is an equidigital number, since it uses as much as digits as its factorization.

10660609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11950.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 10660609 is about 3265.0588049835. The cubic root of 10660609 is about 220.0868045883.

The spelling of 10660609 in words is "ten million, six hundred sixty thousand, six hundred nine".

Divisors: 1 971 10979 10660609