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23432025 = 352312427
BaseRepresentation
bin101100101100…
…0101101011001
31122002110200210
41121120231121
521444311100
62154121333
7403111641
oct131305531
948073623
1023432025
1112254911
127a20249
134b15606
14317d521
1520ccc50
hex1658b59

23432025 has 12 divisors (see below), whose sum is σ = 38741072. Its totient is φ = 12497040.

The previous prime is 23432023. The next prime is 23432047. The reversal of 23432025 is 52023432.

It is not a de Polignac number, because 23432025 - 21 = 23432023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23431992 and 23432010.

It is not an unprimeable number, because it can be changed into a prime (23432023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156139 + ... + 156288.

Almost surely, 223432025 is an apocalyptic number.

23432025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23432025 is a deficient number, since it is larger than the sum of its proper divisors (15309047).

23432025 is a wasteful number, since it uses less digits than its factorization.

23432025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312440 (or 312435 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 23432025 is about 4840.6636941643. The cubic root of 23432025 is about 286.1562751324.

Adding to 23432025 its reverse (52023432), we get a palindrome (75455457).

The spelling of 23432025 in words is "twenty-three million, four hundred thirty-two thousand, twenty-five".

Divisors: 1 3 5 15 25 75 312427 937281 1562135 4686405 7810675 23432025