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15243201 = 331992837
BaseRepresentation
bin111010001001…
…011111000001
31001200102202000
4322021133001
512400240301
61302414213
7243364551
oct72113701
931612660
1015243201
118671496
125131369
13320925c
14204b161
151511786
hexe897c1

15243201 has 16 divisors (see below), whose sum is σ = 22704000. Its totient is φ = 10107504.

The previous prime is 15243191. The next prime is 15243211. The reversal of 15243201 is 10234251.

15243201 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15243191) and next prime (15243211).

It is not a de Polignac number, because 15243201 - 214 = 15226817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15243211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3955 + ... + 6791.

It is an arithmetic number, because the mean of its divisors is an integer number (1419000).

Almost surely, 215243201 is an apocalyptic number.

It is an amenable number.

15243201 is a deficient number, since it is larger than the sum of its proper divisors (7460799).

15243201 is a wasteful number, since it uses less digits than its factorization.

15243201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045 (or 3039 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 15243201 is about 3904.2542181574. The cubic root of 15243201 is about 247.9469243425.

Adding to 15243201 its reverse (10234251), we get a palindrome (25477452).

The spelling of 15243201 in words is "fifteen million, two hundred forty-three thousand, two hundred one".

Divisors: 1 3 9 27 199 597 1791 2837 5373 8511 25533 76599 564563 1693689 5081067 15243201