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64022730 = 2354152051
BaseRepresentation
bin1111010000111…
…0100011001010
311110110200200020
43310032203022
5112342211410
610204121310
71405120122
oct364164312
9143420606
1064022730
1133159252
1219536236
1310357c95
148707c82
155949a70
hex3d0e8ca

64022730 has 32 divisors (see below), whose sum is σ = 157405248. Its totient is φ = 16656000.

The previous prime is 64022687. The next prime is 64022737. The reversal of 64022730 is 3722046.

64022730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 64022730.

It is not an unprimeable number, because it can be changed into a prime (64022737) 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 15 ways as a sum of consecutive naturals, for example, 24796 + ... + 27255.

It is an arithmetic number, because the mean of its divisors is an integer number (4918914).

Almost surely, 264022730 is an apocalyptic number.

64022730 is an abundant number, since it is smaller than the sum of its proper divisors (93382518).

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

64022730 is a wasteful number, since it uses less digits than its factorization.

64022730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52102.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 64022730 is about 8001.4204988864. The cubic root of 64022730 is about 400.0473485617.

Adding to 64022730 its reverse (3722046), we get a palindrome (67744776).

The spelling of 64022730 in words is "sixty-four million, twenty-two thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 41 82 123 205 246 410 615 1230 52051 104102 156153 260255 312306 520510 780765 1561530 2134091 4268182 6402273 10670455 12804546 21340910 32011365 64022730