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23250225 = 3521512053
BaseRepresentation
bin101100010110…
…0010100110001
31121202020022110
41120230110301
521423001400
62150155533
7401423625
oct130542461
947666273
1023250225
1112140269
127952ba9
134a8093b
143133185
152093e50
hex162c531

23250225 has 24 divisors (see below), whose sum is σ = 38713792. Its totient is φ = 12312000.

The previous prime is 23250197. The next prime is 23250251. The reversal of 23250225 is 52205232.

It is not a de Polignac number, because 23250225 - 25 = 23250193 is a prime.

It is a Duffinian number.

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 23 ways as a sum of consecutive naturals, for example, 10299 + ... + 12351.

Almost surely, 223250225 is an apocalyptic number.

23250225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23250225 is a deficient number, since it is larger than the sum of its proper divisors (15463567).

23250225 is a wasteful number, since it uses less digits than its factorization.

23250225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217 (or 2212 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 23250225 is about 4821.8487118532. The cubic root of 23250225 is about 285.4142943546.

Adding to 23250225 its reverse (52205232), we get a palindrome (75455457).

The spelling of 23250225 in words is "twenty-three million, two hundred fifty thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 151 453 755 2053 2265 3775 6159 10265 11325 30795 51325 153975 310003 930009 1550015 4650045 7750075 23250225