Search a number
-
+
64348875 = 3253471217
BaseRepresentation
bin1111010101111…
…0001011001011
311111002021001200
43311132023023
5112433131000
610215115243
71410646023
oct365361313
9144067050
1064348875
1133361298
1219672b23
1310440576
148790a83
1559b1500
hex3d5e2cb

64348875 has 48 divisors (see below), whose sum is σ = 118564992. Its totient is φ = 33561600.

The previous prime is 64348873. The next prime is 64348891. The reversal of 64348875 is 57884346.

It is not a de Polignac number, because 64348875 - 21 = 64348873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 64348875.

It is not an unprimeable number, because it can be changed into a prime (64348873) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52267 + ... + 53483.

It is an arithmetic number, because the mean of its divisors is an integer number (2470104).

Almost surely, 264348875 is an apocalyptic number.

64348875 is a deficient number, since it is larger than the sum of its proper divisors (54216117).

64348875 is a wasteful number, since it uses less digits than its factorization.

64348875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285 (or 1272 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 64348875 is about 8021.7750529418. The cubic root of 64348875 is about 400.7255062229.

The spelling of 64348875 in words is "sixty-four million, three hundred forty-eight thousand, eight hundred seventy-five".

Divisors: 1 3 5 9 15 25 45 47 75 125 141 225 235 375 423 705 1125 1175 1217 2115 3525 3651 5875 6085 10575 10953 17625 18255 30425 52875 54765 57199 91275 152125 171597 273825 285995 456375 514791 857985 1369125 1429975 2573955 4289925 7149875 12869775 21449625 64348875