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23423525 = 52936941
BaseRepresentation
bin101100101011…
…0101000100101
31122002001000222
41121112220211
521444023100
62154014125
7403045106
oct131265045
948061028
1023423525
1112249494
127a17345
134b11798
14317a3ad
1520ca485
hex1656a25

23423525 has 6 divisors (see below), whose sum is σ = 29045202. Its totient is φ = 18738800.

The previous prime is 23423489. The next prime is 23423527. The reversal of 23423525 is 52532432.

It can be written as a sum of positive squares in 3 ways, for example, as 4072324 + 19351201 = 2018^2 + 4399^2 .

It is not a de Polignac number, because 23423525 - 26 = 23423461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23423494 and 23423503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23423527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 468446 + ... + 468495.

It is an arithmetic number, because the mean of its divisors is an integer number (4840867).

Almost surely, 223423525 is an apocalyptic number.

23423525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23423525 is a deficient number, since it is larger than the sum of its proper divisors (5621677).

23423525 is an equidigital number, since it uses as much as digits as its factorization.

23423525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936951 (or 936946 counting only the distinct ones).

The product of its digits is 7200, while the sum is 26.

The square root of 23423525 is about 4839.7856357488. The cubic root of 23423525 is about 286.1216697506.

Adding to 23423525 its reverse (52532432), we get a palindrome (75955957).

The spelling of 23423525 in words is "twenty-three million, four hundred twenty-three thousand, five hundred twenty-five".

Divisors: 1 5 25 936941 4684705 23423525