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63628045 = 5131974969
BaseRepresentation
bin1111001010111…
…0001100001101
311102201122021021
43302232030031
5112242044140
610151434141
71401554335
oct362561415
9142648237
1063628045
1132a09768
1219385951
131024a440
1486440c5
1558bcb4a
hex3cae30d

63628045 has 16 divisors (see below), whose sum is σ = 82661040. Its totient is φ = 46738944.

The previous prime is 63628039. The next prime is 63628067. The reversal of 63628045 is 54082636.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 695556 + 62932489 = 834^2 + 7933^2 .

It is a cyclic number.

It is not a de Polignac number, because 63628045 - 25 = 63628013 is a prime.

It is a super-2 number, since 2×636280452 = 8097056221044050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63628045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10321 + ... + 15289.

It is an arithmetic number, because the mean of its divisors is an integer number (5166315).

Almost surely, 263628045 is an apocalyptic number.

63628045 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63628045 is a deficient number, since it is larger than the sum of its proper divisors (19032995).

63628045 is a wasteful number, since it uses less digits than its factorization.

63628045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5184.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 63628045 is about 7976.7189370066. The cubic root of 63628045 is about 399.2235876849.

The spelling of 63628045 in words is "sixty-three million, six hundred twenty-eight thousand, forty-five".

Divisors: 1 5 13 65 197 985 2561 4969 12805 24845 64597 322985 978893 4894465 12725609 63628045