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63315141 = 321105047
BaseRepresentation
bin1111000110000…
…1110011000101
311102010202001020
43301201303011
5112202041031
610141021353
71366112151
oct361416305
9142122036
1063315141
113281566a
1219254859
131016aba6
1485a2061
15585a096
hex3c61cc5

63315141 has 4 divisors (see below), whose sum is σ = 84420192. Its totient is φ = 42210092.

The previous prime is 63315137. The next prime is 63315169. The reversal of 63315141 is 14151336.

63315141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 63315141 - 22 = 63315137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63315121) 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 3 ways as a sum of consecutive naturals, for example, 10552521 + ... + 10552526.

It is an arithmetic number, because the mean of its divisors is an integer number (21105048).

Almost surely, 263315141 is an apocalyptic number.

63315141 is the 5033-rd centered pentagonal number.

It is an amenable number.

63315141 is a deficient number, since it is larger than the sum of its proper divisors (21105051).

63315141 is a wasteful number, since it uses less digits than its factorization.

63315141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21105050.

The product of its digits is 1080, while the sum is 24.

The square root of 63315141 is about 7957.0811859626. The cubic root of 63315141 is about 398.5680906220.

Adding to 63315141 its reverse (14151336), we get a palindrome (77466477).

The spelling of 63315141 in words is "sixty-three million, three hundred fifteen thousand, one hundred forty-one".

Divisors: 1 3 21105047 63315141