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BaseRepresentation
bin100110010011…
…101101110111
3200220012100111
4212103231313
510032322411
6555123451
7151233433
oct46235567
920805314
1010042231
115739971
123443587
132107b64
1414959c3
15d35721
hex993b77

10042231 has 4 divisors (see below), whose sum is σ = 10060632. Its totient is φ = 10023832.

The previous prime is 10042199. The next prime is 10042289. The reversal of 10042231 is 13224001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13224001 = 71889143.

It is a cyclic number.

It is not a de Polignac number, because 10042231 - 25 = 10042199 is a prime.

It is a super-2 number, since 2×100422312 = 201692806914722, 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 (10042031) 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, 8356 + ... + 9481.

It is an arithmetic number, because the mean of its divisors is an integer number (2515158).

Almost surely, 210042231 is an apocalyptic number.

10042231 is a deficient number, since it is larger than the sum of its proper divisors (18401).

10042231 is an equidigital number, since it uses as much as digits as its factorization.

10042231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18400.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 10042231 is about 3168.9479326742. The cubic root of 10042231 is about 215.7463228464.

Adding to 10042231 its reverse (13224001), we get a palindrome (23266232).

The spelling of 10042231 in words is "ten million, forty-two thousand, two hundred thirty-one".

Divisors: 1 563 17837 10042231