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10075087 = 11915917
BaseRepresentation
bin100110011011…
…101111001111
3200221212102101
4212123233033
510034400322
6555535531
7151431301
oct46335717
920855371
1010075087
115761620
12345a5a7
132119ab9
1414a3971
15d40327
hex99bbcf

10075087 has 4 divisors (see below), whose sum is σ = 10991016. Its totient is φ = 9159160.

The previous prime is 10075057. The next prime is 10075097. The reversal of 10075087 is 78057001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78057001 = 117096091.

It is a cyclic number.

It is not a de Polignac number, because 10075087 - 211 = 10073039 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10075007) 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, 457948 + ... + 457969.

It is an arithmetic number, because the mean of its divisors is an integer number (2747754).

Almost surely, 210075087 is an apocalyptic number.

10075087 is a deficient number, since it is larger than the sum of its proper divisors (915929).

10075087 is an equidigital number, since it uses as much as digits as its factorization.

10075087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915928.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 10075087 is about 3174.1277542027. The cubic root of 10075087 is about 215.9813584164.

The spelling of 10075087 in words is "ten million, seventy-five thousand, eighty-seven".

Divisors: 1 11 915917 10075087