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64054550 = 2527197929
BaseRepresentation
bin1111010001011…
…0010100010110
311110112022022202
43310112110112
5112344221200
610204524502
71405311650
oct364262426
9143468282
1064054550
113318014a
1219550732
1310369601
1487156d0
1559541d5
hex3d16516

64054550 has 48 divisors (see below), whose sum is σ = 137000160. Its totient is φ = 21826560.

The previous prime is 64054541. The next prime is 64054553. The reversal of 64054550 is 5545046.

64054550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64054553) 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 23 ways as a sum of consecutive naturals, for example, 68486 + ... + 69414.

It is an arithmetic number, because the mean of its divisors is an integer number (2854170).

Almost surely, 264054550 is an apocalyptic number.

64054550 is an abundant number, since it is smaller than the sum of its proper divisors (72945610).

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

64054550 is a wasteful number, since it uses less digits than its factorization.

64054550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 64054550 is about 8003.4086488196. The cubic root of 64054550 is about 400.1136135602.

Adding to 64054550 its reverse (5545046), we get a palindrome (69599596).

The spelling of 64054550 in words is "sixty-four million, fifty-four thousand, five hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 197 350 394 929 985 1379 1858 1970 2758 4645 4925 6503 6895 9290 9850 13006 13790 23225 32515 34475 46450 65030 68950 162575 183013 325150 366026 915065 1281091 1830130 2562182 4575325 6405455 9150650 12810910 32027275 64054550