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10012331 = 78571669
BaseRepresentation
bin100110001100…
…011010101011
3200211200100002
4212030122223
510030343311
6554333215
7151050320
oct46143253
920750302
1010012331
11571945a
12342a20b
1320c7374
141488b47
15d2b93b
hex98c6ab

10012331 has 8 divisors (see below), whose sum is σ = 11462880. Its totient is φ = 8566848.

The previous prime is 10012313. The next prime is 10012333. The reversal of 10012331 is 13321001.

10012331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10012331 - 210 = 10011307 is a prime.

It is a super-2 number, since 2×100123312 = 200493544107122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10012333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5165 + ... + 6833.

It is an arithmetic number, because the mean of its divisors is an integer number (1432860).

Almost surely, 210012331 is an apocalyptic number.

10012331 is a deficient number, since it is larger than the sum of its proper divisors (1450549).

10012331 is an equidigital number, since it uses as much as digits as its factorization.

10012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 10012331 is about 3164.2267617856. The cubic root of 10012331 is about 215.5319870765.

Adding to 10012331 its reverse (13321001), we get a palindrome (23333332).

The spelling of 10012331 in words is "ten million, twelve thousand, three hundred thirty-one".

Divisors: 1 7 857 1669 5999 11683 1430333 10012331