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64298243 = 113569011
BaseRepresentation
bin1111010101000…
…1110100000011
311110222200121102
43311101310003
5112430020433
610214045015
71410345302
oct365216403
9143880542
1064298243
1133327249
121964976b
13104234c9
14877a439
1559a14e8
hex3d51d03

64298243 has 4 divisors (see below), whose sum is σ = 64867368. Its totient is φ = 63729120.

The previous prime is 64298237. The next prime is 64298279. The reversal of 64298243 is 34289246.

It is a happy number.

64298243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34289246 = 217144623.

It is a cyclic number.

It is not a de Polignac number, because 64298243 - 212 = 64294147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64298197 and 64298206.

It is not an unprimeable number, because it can be changed into a prime (64298543) 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 3 ways as a sum of consecutive naturals, for example, 284393 + ... + 284618.

It is an arithmetic number, because the mean of its divisors is an integer number (16216842).

Almost surely, 264298243 is an apocalyptic number.

64298243 is a deficient number, since it is larger than the sum of its proper divisors (569125).

64298243 is a wasteful number, since it uses less digits than its factorization.

64298243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569124.

The product of its digits is 82944, while the sum is 38.

The square root of 64298243 is about 8018.6185219151. The cubic root of 64298243 is about 400.6203769171.

The spelling of 64298243 in words is "sixty-four million, two hundred ninety-eight thousand, two hundred forty-three".

Divisors: 1 113 569011 64298243