Search a number
-
+
63988941 = 3199411193
BaseRepresentation
bin1111010000011…
…0010011001101
311110101222022210
43310012103031
5112340121231
610203301033
71404616452
oct364062315
9143358283
1063988941
1133135925
121951a779
13103457a3
1486d9829
15593ea46
hex3d064cd

63988941 has 16 divisors (see below), whose sum is σ = 89979840. Its totient is φ = 40337280.

The previous prime is 63988937. The next prime is 63988943. The reversal of 63988941 is 14988936.

63988941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63988941 - 22 = 63988937 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63988943) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 53041 + ... + 54233.

It is an arithmetic number, because the mean of its divisors is an integer number (5623740).

Almost surely, 263988941 is an apocalyptic number.

It is an amenable number.

63988941 is a deficient number, since it is larger than the sum of its proper divisors (25990899).

63988941 is a wasteful number, since it uses less digits than its factorization.

63988941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156.

The product of its digits is 373248, while the sum is 48.

The square root of 63988941 is about 7999.3087826387. The cubic root of 63988941 is about 399.9769590895.

The spelling of 63988941 in words is "sixty-three million, nine hundred eighty-eight thousand, nine hundred forty-one".

Divisors: 1 3 19 57 941 1193 2823 3579 17879 22667 53637 68001 1122613 3367839 21329647 63988941