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10108990 = 251010899
BaseRepresentation
bin100110100100…
…000000111110
3201000120221001
4212210000332
510041441430
61000400514
7151632163
oct46440076
921016831
1010108990
115785041
12347613a
13212c368
1414b206a
15d4a3ca
hex9a403e

10108990 has 8 divisors (see below), whose sum is σ = 18196200. Its totient is φ = 4043592.

The previous prime is 10108979. The next prime is 10109009. The reversal of 10108990 is 9980101.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505440 + ... + 505459.

It is an arithmetic number, because the mean of its divisors is an integer number (2274525).

Almost surely, 210108990 is an apocalyptic number.

10108990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10108990 is a deficient number, since it is larger than the sum of its proper divisors (8087210).

10108990 is a wasteful number, since it uses less digits than its factorization.

10108990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010906.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 10108990 is about 3179.4637912705. The cubic root of 10108990 is about 216.2233486484.

It can be divided in two parts, 1010 and 8990, that added together give a 4-th power (10000 = 104).

The spelling of 10108990 in words is "ten million, one hundred eight thousand, nine hundred ninety".

Divisors: 1 2 5 10 1010899 2021798 5054495 10108990