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64224534 = 2311973099
BaseRepresentation
bin1111010011111…
…1110100010110
311110211221111110
43310333310112
5112420141114
610212315450
71406620353
oct364776426
9143757443
1064224534
1133286930
1219612b86
13103c8aaa
14875b62a
155989759
hex3d3fd16

64224534 has 16 divisors (see below), whose sum is σ = 140126400. Its totient is φ = 19461960.

The previous prime is 64224527. The next prime is 64224547. The reversal of 64224534 is 43542246.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486484 + ... + 486615.

It is an arithmetic number, because the mean of its divisors is an integer number (8757900).

Almost surely, 264224534 is an apocalyptic number.

64224534 is an abundant number, since it is smaller than the sum of its proper divisors (75901866).

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

64224534 is a wasteful number, since it uses less digits than its factorization.

64224534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973115.

The product of its digits is 23040, while the sum is 30.

The square root of 64224534 is about 8014.0210880681. The cubic root of 64224534 is about 400.4672331870.

The spelling of 64224534 in words is "sixty-four million, two hundred twenty-four thousand, five hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 66 973099 1946198 2919297 5838594 10704089 21408178 32112267 64224534