Search a number
-
+
63426271 = 199931729
BaseRepresentation
bin1111000111110…
…0111011011111
311102100101111011
43301330323133
5112214120041
610143240051
71400054146
oct361747337
9142311434
1063426271
1132891107
12192a9027
13101a964c
1485d075d
15587ce81
hex3c7cedf

63426271 has 4 divisors (see below), whose sum is σ = 63460000. Its totient is φ = 63392544.

The previous prime is 63426257. The next prime is 63426289. The reversal of 63426271 is 17262436.

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 63426271 - 213 = 63418079 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 (63426211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13866 + ... + 17863.

It is an arithmetic number, because the mean of its divisors is an integer number (15865000).

Almost surely, 263426271 is an apocalyptic number.

63426271 is a deficient number, since it is larger than the sum of its proper divisors (33729).

63426271 is a wasteful number, since it uses less digits than its factorization.

63426271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33728.

The product of its digits is 12096, while the sum is 31.

The square root of 63426271 is about 7964.0612127231. The cubic root of 63426271 is about 398.8011416866.

The spelling of 63426271 in words is "sixty-three million, four hundred twenty-six thousand, two hundred seventy-one".

Divisors: 1 1999 31729 63426271