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64243230 = 23516712823
BaseRepresentation
bin1111010100010…
…0011000011110
311110212220010220
43311010120132
5112421240410
610212542210
71410026022
oct365043036
9143786126
1064243230
1133299987
1219621966
131040445c
148764382
155990070
hex3d4461e

64243230 has 32 divisors (see below), whose sum is σ = 155119104. Its totient is φ = 17027616.

The previous prime is 64243229. The next prime is 64243241. The reversal of 64243230 is 3234246.

It is a happy number.

64243230 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 64243230.

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 15 ways as a sum of consecutive naturals, for example, 1402 + ... + 11421.

It is an arithmetic number, because the mean of its divisors is an integer number (4847472).

Almost surely, 264243230 is an apocalyptic number.

64243230 is an abundant number, since it is smaller than the sum of its proper divisors (90875874).

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

64243230 is a wasteful number, since it uses less digits than its factorization.

64243230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13000.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 64243230 is about 8015.1874588184. The cubic root of 64243230 is about 400.5060885825.

Adding to 64243230 its reverse (3234246), we get a palindrome (67477476).

The spelling of 64243230 in words is "sixty-four million, two hundred forty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 167 334 501 835 1002 1670 2505 5010 12823 25646 38469 64115 76938 128230 192345 384690 2141441 4282882 6424323 10707205 12848646 21414410 32121615 64243230