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10089890 = 251008989
BaseRepresentation
bin100110011111…
…010110100010
3200222121201122
4212133112202
510040334030
61000132242
7151522406
oct46372642
920877648
1010089890
115771758
123467082
132123765
1414a9106
15d448e5
hex99f5a2

10089890 has 8 divisors (see below), whose sum is σ = 18161820. Its totient is φ = 4035952.

The previous prime is 10089889. The next prime is 10089899. The reversal of 10089890 is 9898001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9991921 + 97969 = 3161^2 + 313^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10089890.

It is not an unprimeable number, because it can be changed into a prime (10089899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504485 + ... + 504504.

Almost surely, 210089890 is an apocalyptic number.

10089890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10089890 is a deficient number, since it is larger than the sum of its proper divisors (8071930).

10089890 is a wasteful number, since it uses less digits than its factorization.

10089890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008996.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 10089890 is about 3176.4587200214. The cubic root of 10089890 is about 216.0870847984.

The spelling of 10089890 in words is "ten million, eighty-nine thousand, eight hundred ninety".

Divisors: 1 2 5 10 1008989 2017978 5044945 10089890