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10166989 = 72363149
BaseRepresentation
bin100110110010…
…001011001101
3201010112111011
4212302023031
510100320424
61001525221
7152263240
oct46621315
921115434
1010166989
115814678
1234a3811
13214c891
1414c9257
15d5c694
hex9b22cd

10166989 has 8 divisors (see below), whose sum is σ = 12124800. Its totient is φ = 8335536.

The previous prime is 10166983. The next prime is 10166999. The reversal of 10166989 is 98966101.

10166989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10166989 - 211 = 10164941 is a prime.

It is a super-2 number, since 2×101669892 = 206735330652242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10166983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31414 + ... + 31735.

It is an arithmetic number, because the mean of its divisors is an integer number (1515600).

Almost surely, 210166989 is an apocalyptic number.

It is an amenable number.

10166989 is a deficient number, since it is larger than the sum of its proper divisors (1957811).

10166989 is an equidigital number, since it uses as much as digits as its factorization.

10166989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63179.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 10166989 is about 3188.5716237839. The cubic root of 10166989 is about 216.6360779960.

The spelling of 10166989 in words is "ten million, one hundred sixty-six thousand, nine hundred eighty-nine".

Divisors: 1 7 23 161 63149 442043 1452427 10166989