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9995885 = 51999177
BaseRepresentation
bin100110001000…
…011001101101
3200210211202222
4212020121231
510024332020
6554125125
7150651344
oct46103155
920724688
109995885
115708069
1234207a5
1320bca33
141482b5b
15d26b25
hex98866d

9995885 has 4 divisors (see below), whose sum is σ = 11995068. Its totient is φ = 7996704.

The previous prime is 9995861. The next prime is 9995891. The reversal of 9995885 is 5885999.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2172676 + 7823209 = 1474^2 + 2797^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9995885 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 999584 + ... + 999593.

It is an arithmetic number, because the mean of its divisors is an integer number (2998767).

Almost surely, 29995885 is an apocalyptic number.

It is an amenable number.

9995885 is a deficient number, since it is larger than the sum of its proper divisors (1999183).

9995885 is a wasteful number, since it uses less digits than its factorization.

9995885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999182.

The product of its digits is 1166400, while the sum is 53.

The square root of 9995885 is about 3161.6269545916. The cubic root of 9995885 is about 215.4139132863.

The spelling of 9995885 in words is "nine million, nine hundred ninety-five thousand, eight hundred eighty-five".

Divisors: 1 5 1999177 9995885