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10380169 = 18157349
BaseRepresentation
bin100111100110…
…001110001001
3201112100220201
4213212032021
510124131134
61010252201
7154141612
oct47461611
921470821
1010380169
11594a858
123587061
1321c5917
141542c09
15da0914
hex9e6389

10380169 has 4 divisors (see below), whose sum is σ = 10437700. Its totient is φ = 10322640.

The previous prime is 10380163. The next prime is 10380191. The reversal of 10380169 is 96108301.

It is a happy number.

10380169 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2286144 + 8094025 = 1512^2 + 2845^2 .

It is a cyclic number.

It is not a de Polignac number, because 10380169 - 29 = 10379657 is a prime.

It is a super-2 number, since 2×103801692 = 215495816937122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10380163) 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, 28494 + ... + 28855.

It is an arithmetic number, because the mean of its divisors is an integer number (2609425).

Almost surely, 210380169 is an apocalyptic number.

It is an amenable number.

10380169 is a deficient number, since it is larger than the sum of its proper divisors (57531).

10380169 is an equidigital number, since it uses as much as digits as its factorization.

10380169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57530.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 10380169 is about 3221.8269661793. The cubic root of 10380169 is about 218.1397485122.

The spelling of 10380169 in words is "ten million, three hundred eighty thousand, one hundred sixty-nine".

Divisors: 1 181 57349 10380169