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23431125 = 35362483
BaseRepresentation
bin101100101100…
…0011111010101
31122002102110110
41121120133111
521444244000
62154113233
7403106214
oct131303725
948072413
1023431125
1112254173
127a1b819
134b15093
14317d07b
1520cc850
hex16587d5

23431125 has 16 divisors (see below), whose sum is σ = 38990016. Its totient is φ = 12496400.

The previous prime is 23431103. The next prime is 23431127. The reversal of 23431125 is 52113432.

It is not a de Polignac number, because 23431125 - 26 = 23431061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30867 + ... + 31616.

It is an arithmetic number, because the mean of its divisors is an integer number (2436876).

Almost surely, 223431125 is an apocalyptic number.

23431125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23431125 is a deficient number, since it is larger than the sum of its proper divisors (15558891).

23431125 is an equidigital number, since it uses as much as digits as its factorization.

23431125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62501 (or 62491 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 23431125 is about 4840.5707308126. The cubic root of 23431125 is about 286.1526114293.

Adding to 23431125 its reverse (52113432), we get a palindrome (75544557).

The spelling of 23431125 in words is "twenty-three million, four hundred thirty-one thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 62483 187449 312415 937245 1562075 4686225 7810375 23431125