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64638050 = 2522356207
BaseRepresentation
bin1111011010010…
…0110001100010
311111121221201212
43312210301202
5113021404200
610225230122
71413262061
oct366446142
9144557655
1064638050
1133539584
1219792342
1310512089
1488281d8
155a1c035
hex3da4c62

64638050 has 24 divisors (see below), whose sum is σ = 125456256. Its totient is φ = 24730640.

The previous prime is 64638031. The next prime is 64638053. The reversal of 64638050 is 5083646.

64638050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64637998 and 64638016.

It is not an unprimeable number, because it can be changed into a prime (64638053) 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 11 ways as a sum of consecutive naturals, for example, 26954 + ... + 29253.

It is an arithmetic number, because the mean of its divisors is an integer number (5227344).

Almost surely, 264638050 is an apocalyptic number.

64638050 is a deficient number, since it is larger than the sum of its proper divisors (60818206).

64638050 is a wasteful number, since it uses less digits than its factorization.

64638050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56242 (or 56237 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 64638050 is about 8039.7792258245. The cubic root of 64638050 is about 401.3248777359.

The spelling of 64638050 in words is "sixty-four million, six hundred thirty-eight thousand, fifty".

Divisors: 1 2 5 10 23 25 46 50 115 230 575 1150 56207 112414 281035 562070 1292761 1405175 2585522 2810350 6463805 12927610 32319025 64638050