Search a number
-
+
64045470 = 2352134849
BaseRepresentation
bin1111010001010…
…0000110011110
311110111211212110
43310110012132
5112343423340
610204414450
71405243326
oct364240636
9143454773
1064045470
1133174345
1219547426
1310365438
148712286
155951680
hex3d1419e

64045470 has 16 divisors (see below), whose sum is σ = 153709200. Its totient is φ = 17078784.

The previous prime is 64045469. The next prime is 64045489. The reversal of 64045470 is 7454046.

64045470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2134849 = 64045470 / (6 + 4 + 0 + 4 + 5 + 4 + 7 + 0).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1067395 + ... + 1067454.

It is an arithmetic number, because the mean of its divisors is an integer number (9606825).

Almost surely, 264045470 is an apocalyptic number.

64045470 is an abundant number, since it is smaller than the sum of its proper divisors (89663730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64045470 is a wasteful number, since it uses less digits than its factorization.

64045470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134859.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 64045470 is about 8002.8413704134. The cubic root of 64045470 is about 400.0947067415.

The spelling of 64045470 in words is "sixty-four million, forty-five thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 2134849 4269698 6404547 10674245 12809094 21348490 32022735 64045470