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23830325 = 522573709
BaseRepresentation
bin101101011100…
…1111100110101
31122211201001122
41122321330311
522100032300
62210433325
7406361111
oct132717465
948751048
1023830325
11124a7092
127b92845
134c249ac
143244741
15215ac85
hex16b9f35

23830325 has 12 divisors (see below), whose sum is σ = 29672580. Its totient is φ = 18984960.

The previous prime is 23830319. The next prime is 23830349. The reversal of 23830325 is 52303832.

It can be written as a sum of positive squares in 6 ways, for example, as 103684 + 23726641 = 322^2 + 4871^2 .

It is not a de Polignac number, because 23830325 - 222 = 19636021 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 23830294 and 23830303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4571 + ... + 8279.

It is an arithmetic number, because the mean of its divisors is an integer number (2472715).

Almost surely, 223830325 is an apocalyptic number.

23830325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23830325 is a deficient number, since it is larger than the sum of its proper divisors (5842255).

23830325 is a wasteful number, since it uses less digits than its factorization.

23830325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976 (or 3971 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 23830325 is about 4881.6313871492. The cubic root of 23830325 is about 287.7685455525.

It can be divided in two parts, 238303 and 25, that added together give a cube (238328 = 623).

The spelling of 23830325 in words is "twenty-three million, eight hundred thirty thousand, three hundred twenty-five".

Divisors: 1 5 25 257 1285 3709 6425 18545 92725 953213 4766065 23830325