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64292249 = 717540271
BaseRepresentation
bin1111010101000…
…0010110011001
311110222101101102
43311100112121
5112424322444
610214001145
71410321650
oct365202631
9143871342
1064292249
113332279a
12196461b5
1310420868
148778197
15599e84e
hex3d50599

64292249 has 8 divisors (see below), whose sum is σ = 77799168. Its totient is φ = 51865920.

The previous prime is 64292237. The next prime is 64292269. The reversal of 64292249 is 94229246.

64292249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 64292249 - 220 = 63243673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64292209) 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, 270017 + ... + 270254.

It is an arithmetic number, because the mean of its divisors is an integer number (9724896).

Almost surely, 264292249 is an apocalyptic number.

It is an amenable number.

64292249 is a deficient number, since it is larger than the sum of its proper divisors (13506919).

64292249 is a wasteful number, since it uses less digits than its factorization.

64292249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540295.

The product of its digits is 62208, while the sum is 38.

The square root of 64292249 is about 8018.2447580502. The cubic root of 64292249 is about 400.6079276751.

The spelling of 64292249 in words is "sixty-four million, two hundred ninety-two thousand, two hundred forty-nine".

Divisors: 1 7 17 119 540271 3781897 9184607 64292249