Search a number
-
+
64730463 = 3719315971
BaseRepresentation
bin1111011011101…
…1010101011111
311111210122111120
43312323111133
5113032333323
610231222023
71414125360
oct366732537
9144718446
1064730463
11335a1a56
1219817913
1310545165
14884db67
155a395e3
hex3dbb55f

64730463 has 16 divisors (see below), whose sum is σ = 99154176. Its totient is φ = 36794880.

The previous prime is 64730461. The next prime is 64730483. The reversal of 64730463 is 36403746.

It is not a de Polignac number, because 64730463 - 21 = 64730461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64730461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3933 + ... + 12038.

It is an arithmetic number, because the mean of its divisors is an integer number (6197136).

Almost surely, 264730463 is an apocalyptic number.

64730463 is a deficient number, since it is larger than the sum of its proper divisors (34423713).

64730463 is a wasteful number, since it uses less digits than its factorization.

64730463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16174.

The product of its (nonzero) digits is 36288, while the sum is 33.

The square root of 64730463 is about 8045.5244080172. The cubic root of 64730463 is about 401.5160446787.

The spelling of 64730463 in words is "sixty-four million, seven hundred thirty thousand, four hundred sixty-three".

Divisors: 1 3 7 21 193 579 1351 4053 15971 47913 111797 335391 3082403 9247209 21576821 64730463