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64000500 = 2235342667
BaseRepresentation
bin1111010000100…
…1000111110100
311110102120011220
43310021013310
5112341004000
610203430340
71404665244
oct364110764
9143376156
1064000500
1133143583
12195253b0
131034ab25
1486ddb24
1559431a0
hex3d091f4

64000500 has 48 divisors (see below), whose sum is σ = 186373824. Its totient is φ = 17066400.

The previous prime is 64000499. The next prime is 64000543. The reversal of 64000500 is 500046.

64000500 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 (15).

It is a self number, because there is not a number n which added to its sum of digits gives 64000500.

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, 19834 + ... + 22833.

It is an arithmetic number, because the mean of its divisors is an integer number (3882788).

Almost surely, 264000500 is an apocalyptic number.

64000500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64000500 is an abundant number, since it is smaller than the sum of its proper divisors (122373324).

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

64000500 is a wasteful number, since it uses less digits than its factorization.

64000500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42689 (or 42677 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 64000500 is about 8000.0312499390. The cubic root of 64000500 is about 400.0010416640.

Adding to 64000500 its reverse (500046), we get a palindrome (64500546).

The spelling of 64000500 in words is "sixty-four million, five hundred", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 125 150 250 300 375 500 750 1500 42667 85334 128001 170668 213335 256002 426670 512004 640005 853340 1066675 1280010 2133350 2560020 3200025 4266700 5333375 6400050 10666750 12800100 16000125 21333500 32000250 64000500