Search a number
-
+
10258427 = 31330917
BaseRepresentation
bin100111001000…
…011111111011
3201022011220202
4213020133323
510111232202
61003512415
7153123644
oct47103773
921264822
1010258427
115877343
12352870b
13218239a
1415106cb
15d79802
hex9c87fb

10258427 has 4 divisors (see below), whose sum is σ = 10589376. Its totient is φ = 9927480.

The previous prime is 10258399. The next prime is 10258433. The reversal of 10258427 is 72485201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72485201 = 514714083.

It is a cyclic number.

It is not a de Polignac number, because 10258427 - 26 = 10258363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10258427.

It is not an unprimeable number, because it can be changed into a prime (10258447) 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, 165428 + ... + 165489.

It is an arithmetic number, because the mean of its divisors is an integer number (2647344).

Almost surely, 210258427 is an apocalyptic number.

10258427 is a deficient number, since it is larger than the sum of its proper divisors (330949).

10258427 is an equidigital number, since it uses as much as digits as its factorization.

10258427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330948.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 10258427 is about 3202.8779246172. The cubic root of 10258427 is about 217.2835879744.

The spelling of 10258427 in words is "ten million, two hundred fifty-eight thousand, four hundred twenty-seven".

Divisors: 1 31 330917 10258427