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10638093 = 33546031
BaseRepresentation
bin101000100101…
…001100001101
3202000110201110
4220211030031
510210404333
61020002233
7156264564
oct50451415
922013643
1010638093
116006614
123690379
13228613b
1415acbdb
15e02063
hexa2530d

10638093 has 4 divisors (see below), whose sum is σ = 14184128. Its totient is φ = 7092060.

The previous prime is 10638091. The next prime is 10638097. The reversal of 10638093 is 39083601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10638093 - 21 = 10638091 is a prime.

It is a super-2 number, since 2×106380932 = 226338045353298, which contains 22 as substring.

It is a Duffinian number.

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 10638093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10638091) 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, 1773013 + ... + 1773018.

It is an arithmetic number, because the mean of its divisors is an integer number (3546032).

Almost surely, 210638093 is an apocalyptic number.

It is an amenable number.

10638093 is a deficient number, since it is larger than the sum of its proper divisors (3546035).

10638093 is an equidigital number, since it uses as much as digits as its factorization.

10638093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3546034.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 10638093 is about 3261.6089587809. The cubic root of 10638093 is about 219.9317488009.

The spelling of 10638093 in words is "ten million, six hundred thirty-eight thousand, ninety-three".

Divisors: 1 3 3546031 10638093