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23475843 = 329726891
BaseRepresentation
bin101100110001…
…1011010000011
31122011200210200
41121203122003
522002211333
62155100243
7403353456
oct131433203
948150720
1023475843
1112284826
127a41683
134b2c541
14319149d
1520dac13
hex1663683

23475843 has 12 divisors (see below), whose sum is σ = 34260408. Its totient is φ = 15488640.

The previous prime is 23475841. The next prime is 23475857. The reversal of 23475843 is 34857432.

It is a happy number.

It is not a de Polignac number, because 23475843 - 21 = 23475841 is a prime.

It is a super-2 number, since 2×234758432 = 1102230409121298, which contains 22 as substring.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 23475798 and 23475807.

It is not an unprimeable number, because it can be changed into a prime (23475841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12573 + ... + 14318.

It is an arithmetic number, because the mean of its divisors is an integer number (2855034).

Almost surely, 223475843 is an apocalyptic number.

23475843 is a deficient number, since it is larger than the sum of its proper divisors (10784565).

23475843 is a wasteful number, since it uses less digits than its factorization.

23475843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26994 (or 26991 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 23475843 is about 4845.1876124666. The cubic root of 23475843 is about 286.3345352686.

The spelling of 23475843 in words is "twenty-three million, four hundred seventy-five thousand, eight hundred forty-three".

Divisors: 1 3 9 97 291 873 26891 80673 242019 2608427 7825281 23475843