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10049855 = 52009971
BaseRepresentation
bin100110010101…
…100100111111
3200220120210212
4212111210333
510033043410
6555223035
7151264604
oct46254477
920816725
1010049855
115744672
123447a7b
13210b47a
1414986ab
15d37b05
hex99593f

10049855 has 4 divisors (see below), whose sum is σ = 12059832. Its totient is φ = 8039880.

The previous prime is 10049849. The next prime is 10049857. The reversal of 10049855 is 55894001.

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

It is a de Polignac number, because none of the positive numbers 2k-10049855 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 (10049857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004981 + ... + 1004990.

It is an arithmetic number, because the mean of its divisors is an integer number (3014958).

Almost surely, 210049855 is an apocalyptic number.

10049855 is a deficient number, since it is larger than the sum of its proper divisors (2009977).

10049855 is an equidigital number, since it uses as much as digits as its factorization.

10049855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009976.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 10049855 is about 3170.1506273362. The cubic root of 10049855 is about 215.8009067958.

The spelling of 10049855 in words is "ten million, forty-nine thousand, eight hundred fifty-five".

Divisors: 1 5 2009971 10049855