Search a number
-
+
63243955 = 5107118213
BaseRepresentation
bin1111000101000…
…0011010110011
311102000010101201
43301100122303
5112142301310
610135312031
71365364465
oct361203263
9142003351
1063243955
1132777135
121921b617
1310144678
148584135
155843e3a
hex3c506b3

63243955 has 8 divisors (see below), whose sum is σ = 76602672. Its totient is φ = 50121888.

The previous prime is 63243949. The next prime is 63244001. The reversal of 63243955 is 55934236.

63243955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 63243955 - 25 = 63243923 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58572 + ... + 59641.

It is an arithmetic number, because the mean of its divisors is an integer number (9575334).

Almost surely, 263243955 is an apocalyptic number.

63243955 is a deficient number, since it is larger than the sum of its proper divisors (13358717).

63243955 is a wasteful number, since it uses less digits than its factorization.

63243955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118325.

The product of its digits is 97200, while the sum is 37.

The square root of 63243955 is about 7952.6068053186. The cubic root of 63243955 is about 398.4186629208.

The spelling of 63243955 in words is "sixty-three million, two hundred forty-three thousand, nine hundred fifty-five".

Divisors: 1 5 107 535 118213 591065 12648791 63243955