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23235425 = 52929417
BaseRepresentation
bin101100010100…
…0101101100001
31121201111000022
41120220231201
521422013200
62150003225
7401332523
oct130505541
947644008
1023235425
1112130134
127946515
134a76c95
14312ba13
15208e885
hex1628b61

23235425 has 6 divisors (see below), whose sum is σ = 28811958. Its totient is φ = 18588320.

The previous prime is 23235419. The next prime is 23235431. The reversal of 23235425 is 52453232.

It is an interprime number because it is at equal distance from previous prime (23235419) and next prime (23235431).

It can be written as a sum of positive squares in 3 ways, for example, as 8111104 + 15124321 = 2848^2 + 3889^2 .

It is not a de Polignac number, because 23235425 - 26 = 23235361 is a prime.

It is a super-3 number, since 3×232354253 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23235394 and 23235403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 464684 + ... + 464733.

It is an arithmetic number, because the mean of its divisors is an integer number (4801993).

Almost surely, 223235425 is an apocalyptic number.

23235425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23235425 is a deficient number, since it is larger than the sum of its proper divisors (5576533).

23235425 is an equidigital number, since it uses as much as digits as its factorization.

23235425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929427 (or 929422 counting only the distinct ones).

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

The square root of 23235425 is about 4820.3137864666. The cubic root of 23235425 is about 285.3537210602.

Adding to 23235425 its reverse (52453232), we get a palindrome (75688657).

The spelling of 23235425 in words is "twenty-three million, two hundred thirty-five thousand, four hundred twenty-five".

Divisors: 1 5 25 929417 4647085 23235425