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64208242 = 274586303
BaseRepresentation
bin1111010011101…
…1110101110010
311110211010011001
43310323311302
5112414130432
610212112214
71406522020
oct364736562
9143733131
1064208242
113327566a
121960566a
13103c1557
148755710
1559849e7
hex3d3bd72

64208242 has 8 divisors (see below), whose sum is σ = 110071296. Its totient is φ = 27517812.

The previous prime is 64208237. The next prime is 64208257. The reversal of 64208242 is 24280246.

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

It is a self number, because there is not a number n which added to its sum of digits gives 64208242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2293138 + ... + 2293165.

It is an arithmetic number, because the mean of its divisors is an integer number (13758912).

Almost surely, 264208242 is an apocalyptic number.

64208242 is a deficient number, since it is larger than the sum of its proper divisors (45863054).

64208242 is a wasteful number, since it uses less digits than its factorization.

64208242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586312.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 64208242 is about 8013.0045550967. The cubic root of 64208242 is about 400.4333678113.

Adding to 64208242 its reverse (24280246), we get a palindrome (88488488).

The spelling of 64208242 in words is "sixty-four million, two hundred eight thousand, two hundred forty-two".

Divisors: 1 2 7 14 4586303 9172606 32104121 64208242