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25233985 = 57720971
BaseRepresentation
bin110000001000…
…0101001000001
31202111000112001
41200100221001
522424441420
62300504001
7424325320
oct140205101
952430461
1025233985
1113275737
12854b001
1352c686a
1434cc0b7
152336b0a
hex1810a41

25233985 has 8 divisors (see below), whose sum is σ = 34606656. Its totient is φ = 17303280.

The previous prime is 25233979. The next prime is 25234007. The reversal of 25233985 is 58933252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25233985 - 211 = 25231937 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360451 + ... + 360520.

It is an arithmetic number, because the mean of its divisors is an integer number (4325832).

Almost surely, 225233985 is an apocalyptic number.

It is an amenable number.

25233985 is a deficient number, since it is larger than the sum of its proper divisors (9372671).

25233985 is an equidigital number, since it uses as much as digits as its factorization.

25233985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720983.

The product of its digits is 64800, while the sum is 37.

The square root of 25233985 is about 5023.3440057396. The cubic root of 25233985 is about 293.3111775908.

The spelling of 25233985 in words is "twenty-five million, two hundred thirty-three thousand, nine hundred eighty-five".

Divisors: 1 5 7 35 720971 3604855 5046797 25233985