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64104361 = 415213001
BaseRepresentation
bin1111010010001…
…0011110101001
311110121211122121
43310202132221
5112402314421
610205551241
71405610116
oct364423651
9143554577
1064104361
1133204612
1219575521
1310386199
14872990d
155963d41
hex3d227a9

64104361 has 8 divisors (see below), whose sum is σ = 65815848. Its totient is φ = 62400000.

The previous prime is 64104349. The next prime is 64104367. The reversal of 64104361 is 16340146.

It can be written as a sum of positive squares in 4 ways, for example, as 24336 + 64080025 = 156^2 + 8005^2 .

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 64104361 - 25 = 64104329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64104367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19861 + ... + 22861.

It is an arithmetic number, because the mean of its divisors is an integer number (8226981).

Almost surely, 264104361 is an apocalyptic number.

It is an amenable number.

64104361 is a deficient number, since it is larger than the sum of its proper divisors (1711487).

64104361 is a wasteful number, since it uses less digits than its factorization.

64104361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3563.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 64104361 is about 8006.5199056769. The cubic root of 64104361 is about 400.2173006797.

The spelling of 64104361 in words is "sixty-four million, one hundred four thousand, three hundred sixty-one".

Divisors: 1 41 521 3001 21361 123041 1563521 64104361