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25330705 = 5192311593
BaseRepresentation
bin110000010100…
…0010000010001
31202122221012021
41200220100101
522441040310
62302531441
7425210311
oct140502021
952587167
1025330705
1113331374
128596b81
13532b8aa
143515441
1523555da
hex1828411

25330705 has 16 divisors (see below), whose sum is σ = 33390720. Its totient is φ = 18361728.

The previous prime is 25330693. The next prime is 25330709. The reversal of 25330705 is 50703352.

It is not a de Polignac number, because 25330705 - 25 = 25330673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25330705.

It is not an unprimeable number, because it can be changed into a prime (25330709) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3612 + ... + 7981.

It is an arithmetic number, because the mean of its divisors is an integer number (2086920).

Almost surely, 225330705 is an apocalyptic number.

It is an amenable number.

25330705 is a deficient number, since it is larger than the sum of its proper divisors (8060015).

25330705 is a wasteful number, since it uses less digits than its factorization.

25330705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11640.

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 25330705 is about 5032.9618516337. The cubic root of 25330705 is about 293.6854465061.

The spelling of 25330705 in words is "twenty-five million, three hundred thirty thousand, seven hundred five".

Divisors: 1 5 19 23 95 115 437 2185 11593 57965 220267 266639 1101335 1333195 5066141 25330705