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63241331 = 404915619
BaseRepresentation
bin1111000100111…
…1110001110011
311101222222210112
43301033301303
5112142210311
610135251535
71365354026
oct361176163
9141888715
1063241331
113277516a
1219219bab
131014340a
1485831bd
15584328b
hex3c4fc73

63241331 has 4 divisors (see below), whose sum is σ = 63261000. Its totient is φ = 63221664.

The previous prime is 63241319. The next prime is 63241379. The reversal of 63241331 is 13314236.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-63241331 is a prime.

It is a super-2 number, since 2×632413312 = 7998931893303122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63241297 and 63241306.

It is not an unprimeable number, because it can be changed into a prime (63241391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3761 + ... + 11858.

It is an arithmetic number, because the mean of its divisors is an integer number (15815250).

Almost surely, 263241331 is an apocalyptic number.

63241331 is a deficient number, since it is larger than the sum of its proper divisors (19669).

63241331 is a wasteful number, since it uses less digits than its factorization.

63241331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19668.

The product of its digits is 1296, while the sum is 23.

The square root of 63241331 is about 7952.4418262569. The cubic root of 63241331 is about 398.4131526970.

Adding to 63241331 its reverse (13314236), we get a palindrome (76555567).

The spelling of 63241331 in words is "sixty-three million, two hundred forty-one thousand, three hundred thirty-one".

Divisors: 1 4049 15619 63241331