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23435828 = 22132915541
BaseRepresentation
bin101100101100…
…1101000110100
31122002122220122
41121121220310
521444421303
62154151112
7403126013
oct131315064
948078818
1023435828
1112257759
127a22498
134b17270
143180a7a
1520cde38
hex1659a34

23435828 has 24 divisors (see below), whose sum is σ = 45693480. Its totient is φ = 10442880.

The previous prime is 23435821. The next prime is 23435869. The reversal of 23435828 is 82853432.

It can be written as a sum of positive squares in 4 ways, for example, as 2896804 + 20539024 = 1702^2 + 4532^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23435821) 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, 6263 + ... + 9278.

It is an arithmetic number, because the mean of its divisors is an integer number (1903895).

Almost surely, 223435828 is an apocalyptic number.

It is an amenable number.

23435828 is a deficient number, since it is larger than the sum of its proper divisors (22257652).

23435828 is a wasteful number, since it uses less digits than its factorization.

23435828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15587 (or 15585 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 23435828 is about 4841.0564962619. The cubic root of 23435828 is about 286.1717552775.

The spelling of 23435828 in words is "twenty-three million, four hundred thirty-five thousand, eight hundred twenty-eight".

Divisors: 1 2 4 13 26 29 52 58 116 377 754 1508 15541 31082 62164 202033 404066 450689 808132 901378 1802756 5858957 11717914 23435828