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10471231 = 43243517
BaseRepresentation
bin100111111100…
…011100111111
3201200222211101
4213330130333
510140034411
61012233531
7155001241
oct47743477
921628741
1010471231
115a02211
12360b8a7
1322281c4
141568091
15dbc8c1
hex9fc73f

10471231 has 4 divisors (see below), whose sum is σ = 10714792. Its totient is φ = 10227672.

The previous prime is 10471217. The next prime is 10471249. The reversal of 10471231 is 13217401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13217401 = 20176553.

It is a cyclic number.

It is not a de Polignac number, because 10471231 - 219 = 9946943 is a prime.

It is a super-2 number, since 2×104712312 = 219293357310722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10471199 and 10471208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10477231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121716 + ... + 121801.

It is an arithmetic number, because the mean of its divisors is an integer number (2678698).

Almost surely, 210471231 is an apocalyptic number.

10471231 is a deficient number, since it is larger than the sum of its proper divisors (243561).

10471231 is an equidigital number, since it uses as much as digits as its factorization.

10471231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243560.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 10471231 is about 3235.9281512419. The cubic root of 10471231 is about 218.7757829746.

Adding to 10471231 its reverse (13217401), we get a palindrome (23688632).

It can be divided in two parts, 1047 and 1231, that added together give a triangular number (2278 = T67).

The spelling of 10471231 in words is "ten million, four hundred seventy-one thousand, two hundred thirty-one".

Divisors: 1 43 243517 10471231