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10250231 = 64115991
BaseRepresentation
bin100111000110…
…011111110111
3201021202200012
4213012133313
510111001411
61003410435
7153061025
oct47063767
921252605
1010250231
115871172
123523a1b
13217b734
14150b715
15d7718b
hex9c67f7

10250231 has 4 divisors (see below), whose sum is σ = 10266864. Its totient is φ = 10233600.

The previous prime is 10250213. The next prime is 10250237. The reversal of 10250231 is 13205201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13205201 = 43330497.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10250231 is a prime.

It is a super-2 number, since 2×102502312 = 210134471106722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10250237) 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, 7355 + ... + 8636.

It is an arithmetic number, because the mean of its divisors is an integer number (2566716).

Almost surely, 210250231 is an apocalyptic number.

10250231 is a deficient number, since it is larger than the sum of its proper divisors (16633).

10250231 is an equidigital number, since it uses as much as digits as its factorization.

10250231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16632.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 10250231 is about 3201.5981946522. The cubic root of 10250231 is about 217.2257061058.

Adding to 10250231 its reverse (13205201), we get a palindrome (23455432).

The spelling of 10250231 in words is "ten million, two hundred fifty thousand, two hundred thirty-one".

Divisors: 1 641 15991 10250231