Search a number
-
+
64174121 = 115834011
BaseRepresentation
bin1111010011001…
…1100000101001
311110202101100022
43310303200221
5112412032441
610211250225
71406320364
oct364634051
9143671308
1064174121
1133251a70
12195a9975
13103abb6b
1487470db
15597984b
hex3d33829

64174121 has 4 divisors (see below), whose sum is σ = 70008144. Its totient is φ = 58340100.

The previous prime is 64174111. The next prime is 64174171. The reversal of 64174121 is 12147146.

64174121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64174121 - 26 = 64174057 is a prime.

It is a super-2 number, since 2×641741212 = 8236635612245282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64174111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2916995 + ... + 2917016.

It is an arithmetic number, because the mean of its divisors is an integer number (17502036).

Almost surely, 264174121 is an apocalyptic number.

It is an amenable number.

64174121 is a deficient number, since it is larger than the sum of its proper divisors (5834023).

64174121 is a wasteful number, since it uses less digits than its factorization.

64174121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834022.

The product of its digits is 1344, while the sum is 26.

The square root of 64174121 is about 8010.8751706664. The cubic root of 64174121 is about 400.3624236070.

The spelling of 64174121 in words is "sixty-four million, one hundred seventy-four thousand, one hundred twenty-one".

Divisors: 1 11 5834011 64174121