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25368029 = 177511987
BaseRepresentation
bin110000011000…
…1010111011101
31202201211101122
41200301113131
522443234104
62303420325
7425424161
oct140612735
952654348
1025368029
1113357415
1285b46a5
13534288b
143524ca1
1523616be
hex18315dd

25368029 has 8 divisors (see below), whose sum is σ = 26909568. Its totient is φ = 23832000.

The previous prime is 25368001. The next prime is 25368041. The reversal of 25368029 is 92086352.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25368029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25368029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25368529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11774 + ... + 13760.

It is an arithmetic number, because the mean of its divisors is an integer number (3363696).

Almost surely, 225368029 is an apocalyptic number.

It is an amenable number.

25368029 is a deficient number, since it is larger than the sum of its proper divisors (1541539).

25368029 is a wasteful number, since it uses less digits than its factorization.

25368029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 25368029 is about 5036.6684425322. The cubic root of 25368029 is about 293.8296211509.

The spelling of 25368029 in words is "twenty-five million, three hundred sixty-eight thousand, twenty-nine".

Divisors: 1 17 751 1987 12767 33779 1492237 25368029