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25630233 = 337233991
BaseRepresentation
bin110000111000…
…1011000011001
31210020011001220
41201301120121
523030131413
62313202253
7430565466
oct141613031
953204056
1025630233
1113516412
128700389
135405025
14359266d
1523b4223
hex1871619

25630233 has 16 divisors (see below), whose sum is σ = 35283456. Its totient is φ = 16536960.

The previous prime is 25630201. The next prime is 25630243. The reversal of 25630233 is 33203652.

It is not a de Polignac number, because 25630233 - 25 = 25630201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25630243) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 25368 + ... + 26358.

It is an arithmetic number, because the mean of its divisors is an integer number (2205216).

Almost surely, 225630233 is an apocalyptic number.

It is an amenable number.

25630233 is a deficient number, since it is larger than the sum of its proper divisors (9653223).

25630233 is a wasteful number, since it uses less digits than its factorization.

25630233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 25630233 is about 5062.6310353412. The cubic root of 25630233 is about 294.8384943783.

Adding to 25630233 its reverse (33203652), we get a palindrome (58833885).

The spelling of 25630233 in words is "twenty-five million, six hundred thirty thousand, two hundred thirty-three".

Divisors: 1 3 37 111 233 699 991 2973 8621 25863 36667 110001 230903 692709 8543411 25630233