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10804993 = 71152183
BaseRepresentation
bin101001001101…
…111100000001
3202022221122221
4221031330001
510231224433
61023331041
7160561303
oct51157401
922287587
1010804993
11610aa51
123750a81
1323140b4
141613973
15e3672d
hexa4df01

10804993 has 4 divisors (see below), whose sum is σ = 10957248. Its totient is φ = 10652740.

The previous prime is 10804931. The next prime is 10805021. The reversal of 10804993 is 39940801.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39940801 = 291377269.

It is a cyclic number.

It is not a de Polignac number, because 10804993 - 221 = 8707841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10804903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76021 + ... + 76162.

It is an arithmetic number, because the mean of its divisors is an integer number (2739312).

Almost surely, 210804993 is an apocalyptic number.

It is an amenable number.

10804993 is a deficient number, since it is larger than the sum of its proper divisors (152255).

10804993 is an equidigital number, since it uses as much as digits as its factorization.

10804993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152254.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 10804993 is about 3287.0949180089. The cubic root of 10804993 is about 221.0759483172.

The spelling of 10804993 in words is "ten million, eight hundred four thousand, nine hundred ninety-three".

Divisors: 1 71 152183 10804993