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63225319 = 149424331
BaseRepresentation
bin1111000100101…
…1110111100111
311101222011211111
43301023313213
5112141202234
610135045451
71365256243
oct361136747
9141864744
1063225319
1132764133
1219210887
1310139041
14857b423
15583d664
hex3c4bde7

63225319 has 4 divisors (see below), whose sum is σ = 63649800. Its totient is φ = 62800840.

The previous prime is 63225317. The next prime is 63225347. The reversal of 63225319 is 91352236.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63225319 - 21 = 63225317 is a prime.

It is a super-2 number, since 2×632253192 = 7994881925303522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63225317) 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 3 ways as a sum of consecutive naturals, for example, 212017 + ... + 212314.

It is an arithmetic number, because the mean of its divisors is an integer number (15912450).

Almost surely, 263225319 is an apocalyptic number.

63225319 is a deficient number, since it is larger than the sum of its proper divisors (424481).

63225319 is a wasteful number, since it uses less digits than its factorization.

63225319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424480.

The product of its digits is 9720, while the sum is 31.

The square root of 63225319 is about 7951.4350277167. The cubic root of 63225319 is about 398.3795252693.

The spelling of 63225319 in words is "sixty-three million, two hundred twenty-five thousand, three hundred nineteen".

Divisors: 1 149 424331 63225319