Search a number
-
+
10254231 = 321387643
BaseRepresentation
bin100111000111…
…011110010111
3201021222011100
4213013132113
510111113411
61003441143
7153105501
oct47073627
921258140
1010254231
115874179
1235261b3
1321804c0
14150cd71
15d78456
hex9c7797

10254231 has 12 divisors (see below), whose sum is σ = 15951208. Its totient is φ = 6310224.

The previous prime is 10254221. The next prime is 10254239. The reversal of 10254231 is 13245201.

10254231 = T858 + T859 + ... + T884.

10254231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10254231 - 25 = 10254199 is a prime.

It is a super-2 number, since 2×102542312 = 210298506802722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10254239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43705 + ... + 43938.

Almost surely, 210254231 is an apocalyptic number.

10254231 is a deficient number, since it is larger than the sum of its proper divisors (5696977).

10254231 is a wasteful number, since it uses less digits than its factorization.

10254231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87662 (or 87659 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 10254231 is about 3202.2228217287. Note that the first 3 decimals coincide. The cubic root of 10254231 is about 217.2539587967.

Adding to 10254231 its reverse (13245201), we get a palindrome (23499432).

The spelling of 10254231 in words is "ten million, two hundred fifty-four thousand, two hundred thirty-one".

Divisors: 1 3 9 13 39 117 87643 262929 788787 1139359 3418077 10254231