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10804909 = 79233587
BaseRepresentation
bin101001001101…
…111010101101
3202022221112211
4221031322231
510231224114
61023330421
7160561123
oct51157255
922287484
1010804909
11610a985
123750a11
13231404b
141613913
15e366c4
hexa4dead

10804909 has 8 divisors (see below), whose sum is σ = 11007360. Its totient is φ = 10604256.

The previous prime is 10804903. The next prime is 10804931. The reversal of 10804909 is 90940801.

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 10804909 - 29 = 10804397 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 (10804903) 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, 18114 + ... + 18700.

It is an arithmetic number, because the mean of its divisors is an integer number (1375920).

Almost surely, 210804909 is an apocalyptic number.

It is an amenable number.

10804909 is a deficient number, since it is larger than the sum of its proper divisors (202451).

10804909 is an equidigital number, since it uses as much as digits as its factorization.

10804909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 10804909 is about 3287.0821407443. The cubic root of 10804909 is about 221.0753754207.

The spelling of 10804909 in words is "ten million, eight hundred four thousand, nine hundred nine".

Divisors: 1 79 233 587 18407 46373 136771 10804909