Search a number
-
+
64028206 = 21131223421
BaseRepresentation
bin1111010000111…
…1111000101110
311110110222012001
43310033320232
5112342400311
610204202514
71405142104
oct364177056
9143428161
1064028206
1133162380
121953943a
131035a618
148709c74
15594b4c1
hex3d0fe2e

64028206 has 32 divisors (see below), whose sum is σ = 108896256. Its totient is φ = 27972000.

The previous prime is 64028203. The next prime is 64028213. The reversal of 64028206 is 60282046.

It is a super-2 number, since 2×640282062 = 8199222327156872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64028203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151876 + ... + 152296.

It is an arithmetic number, because the mean of its divisors is an integer number (3403008).

Almost surely, 264028206 is an apocalyptic number.

64028206 is a deficient number, since it is larger than the sum of its proper divisors (44868050).

64028206 is a wasteful number, since it uses less digits than its factorization.

64028206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 64028206 is about 8001.7626808098. The cubic root of 64028206 is about 400.0587538695.

The spelling of 64028206 in words is "sixty-four million, twenty-eight thousand, two hundred six".

Divisors: 1 2 11 22 31 62 223 341 421 446 682 842 2453 4631 4906 6913 9262 13051 13826 26102 76043 93883 143561 152086 187766 287122 1032713 2065426 2910373 5820746 32014103 64028206