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63228901 = 213129671
BaseRepresentation
bin1111000100110…
…0101111100101
311101222100202011
43301030233211
5112141311101
610135114221
71365302551
oct361145745
9141870664
1063228901
113276689a
1219212971
131013a868
14857c861
15583e751
hex3c4cbe5

63228901 has 4 divisors (see below), whose sum is σ = 63260704. Its totient is φ = 63197100.

The previous prime is 63228883. The next prime is 63228917. The reversal of 63228901 is 10982236.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63228901 - 219 = 62704613 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 (63328901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12705 + ... + 16966.

It is an arithmetic number, because the mean of its divisors is an integer number (15815176).

Almost surely, 263228901 is an apocalyptic number.

It is an amenable number.

63228901 is a deficient number, since it is larger than the sum of its proper divisors (31803).

63228901 is a wasteful number, since it uses less digits than its factorization.

63228901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31802.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 63228901 is about 7951.6602668877. The cubic root of 63228901 is about 398.3870484606.

The spelling of 63228901 in words is "sixty-three million, two hundred twenty-eight thousand, nine hundred one".

Divisors: 1 2131 29671 63228901