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10807189 = 173120507
BaseRepresentation
bin101001001110…
…011110010101
3202100001200021
4221032132111
510231312224
61023345141
7160600561
oct51163625
922301607
1010807189
116111668
1237521b1
1323150b3
1416146a1
15e371e4
hexa4e795

10807189 has 8 divisors (see below), whose sum is σ = 11812608. Its totient is φ = 9842880.

The previous prime is 10807183. The next prime is 10807201. The reversal of 10807189 is 98170801.

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 10807189 - 25 = 10807157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10807183) 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 7 ways as a sum of consecutive naturals, for example, 9727 + ... + 10780.

It is an arithmetic number, because the mean of its divisors is an integer number (1476576).

Almost surely, 210807189 is an apocalyptic number.

It is an amenable number.

10807189 is a deficient number, since it is larger than the sum of its proper divisors (1005419).

10807189 is a wasteful number, since it uses less digits than its factorization.

10807189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20555.

The product of its (nonzero) digits is 4032, while the sum is 34.

The square root of 10807189 is about 3287.4289345931. The cubic root of 10807189 is about 221.0909244150.

The spelling of 10807189 in words is "ten million, eight hundred seven thousand, one hundred eighty-nine".

Divisors: 1 17 31 527 20507 348619 635717 10807189