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23812429 = 231035323
BaseRepresentation
bin101101011010…
…1100101001101
31122210210111211
41122311211031
522043444204
62210214421
7406254664
oct132654515
948723454
1023812429
11124946a3
127b84411
134c197c4
14323bddb
152155804
hex16b594d

23812429 has 4 divisors (see below), whose sum is σ = 24847776. Its totient is φ = 22777084.

The previous prime is 23812391. The next prime is 23812441. The reversal of 23812429 is 92421832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23812429 - 213 = 23804237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23812429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23812489) 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, 517639 + ... + 517684.

It is an arithmetic number, because the mean of its divisors is an integer number (6211944).

Almost surely, 223812429 is an apocalyptic number.

It is an amenable number.

23812429 is a deficient number, since it is larger than the sum of its proper divisors (1035347).

23812429 is a wasteful number, since it uses less digits than its factorization.

23812429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035346.

The product of its digits is 6912, while the sum is 31.

The square root of 23812429 is about 4879.7980491000. The cubic root of 23812429 is about 287.6964917641.

The spelling of 23812429 in words is "twenty-three million, eight hundred twelve thousand, four hundred twenty-nine".

Divisors: 1 23 1035323 23812429