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BaseRepresentation
bin100111110100…
…111000100111
3201122102022020
4213310320213
510133041411
61011434223
7154511664
oct47647047
921572266
1010440231
11599099a
1235b5973
132217069
14155aa6b
15db3606
hex9f4e27

10440231 has 8 divisors (see below), whose sum is σ = 13935984. Its totient is φ = 6952320.

The previous prime is 10440217. The next prime is 10440233. The reversal of 10440231 is 13204401.

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

It is not a de Polignac number, because 10440231 - 26 = 10440167 is a prime.

It is a super-2 number, since 2×104402312 = 217996846666722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10440231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10440233) 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, 2805 + ... + 5361.

It is an arithmetic number, because the mean of its divisors is an integer number (1741998).

Almost surely, 210440231 is an apocalyptic number.

10440231 is a deficient number, since it is larger than the sum of its proper divisors (3495753).

10440231 is a wasteful number, since it uses less digits than its factorization.

10440231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 10440231 is about 3231.1346304356. The cubic root of 10440231 is about 218.5596748896.

Adding to 10440231 its reverse (13204401), we get a palindrome (23644632).

The spelling of 10440231 in words is "ten million, four hundred forty thousand, two hundred thirty-one".

Divisors: 1 3 1361 2557 4083 7671 3480077 10440231