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63628253 = 1323920479
BaseRepresentation
bin1111001010111…
…0001111011101
311102201122112222
43302232033131
5112242101003
610151435125
71401555053
oct362561735
9142648488
1063628253
1132a09937
1219385aa5
131024a570
1486441d3
1558bcc38
hex3cae3dd

63628253 has 8 divisors (see below), whose sum is σ = 68812800. Its totient is φ = 58485168.

The previous prime is 63628231. The next prime is 63628267. The reversal of 63628253 is 35282636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63628253 - 28 = 63627997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63628753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7133 + ... + 13346.

It is an arithmetic number, because the mean of its divisors is an integer number (8601600).

Almost surely, 263628253 is an apocalyptic number.

It is an amenable number.

63628253 is a deficient number, since it is larger than the sum of its proper divisors (5184547).

63628253 is a wasteful number, since it uses less digits than its factorization.

63628253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20731.

The product of its digits is 51840, while the sum is 35.

The square root of 63628253 is about 7976.7319749381. The cubic root of 63628253 is about 399.2240227049.

The spelling of 63628253 in words is "sixty-three million, six hundred twenty-eight thousand, two hundred fifty-three".

Divisors: 1 13 239 3107 20479 266227 4894481 63628253