Search a number
-
+
64233193 = 194932957
BaseRepresentation
bin1111010100000…
…1111011101001
311110212101101011
43311001323221
5112420430233
610212423521
71406654533
oct365017351
9143771334
1064233193
1133292392
1219617ba1
13103cca0b
148760853
15598c0cd
hex3d41ee9

64233193 has 4 divisors (see below), whose sum is σ = 64268100. Its totient is φ = 64198288.

The previous prime is 64233187. The next prime is 64233199. The reversal of 64233193 is 39133246.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (64233187) and next prime (64233199).

It can be written as a sum of positive squares in 2 ways, for example, as 58415449 + 5817744 = 7643^2 + 2412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-64233193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64233199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14530 + ... + 18427.

It is an arithmetic number, because the mean of its divisors is an integer number (16067025).

Almost surely, 264233193 is an apocalyptic number.

It is an amenable number.

64233193 is a deficient number, since it is larger than the sum of its proper divisors (34907).

64233193 is a wasteful number, since it uses less digits than its factorization.

64233193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34906.

The product of its digits is 11664, while the sum is 31.

The square root of 64233193 is about 8014.5613105148. The cubic root of 64233193 is about 400.4852298919.

The spelling of 64233193 in words is "sixty-four million, two hundred thirty-three thousand, one hundred ninety-three".

Divisors: 1 1949 32957 64233193