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6241642421 = 72941749927
BaseRepresentation
bin1011101000000011…
…11110011110110101
3121002222202021202112
411310001332132311
5100240330024141
62511204020405
7310450041140
oct56401763665
917088667675
106241642421
112713276373
121262391705
13786173351
14432d51057
15267e6a7eb
hex17407e7b5

6241642421 has 16 divisors (see below), whose sum is σ = 7559274240. Its totient is φ = 5039502720.

The previous prime is 6241642417. The next prime is 6241642453. The reversal of 6241642421 is 1242461426.

It is not a de Polignac number, because 6241642421 - 22 = 6241642417 is a prime.

It is a super-2 number, since 2×62416424212 = 77916200223253482482, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6241642471) 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 15 ways as a sum of consecutive naturals, for example, 366641 + ... + 383286.

It is an arithmetic number, because the mean of its divisors is an integer number (472454640).

Almost surely, 26241642421 is an apocalyptic number.

It is an amenable number.

6241642421 is a deficient number, since it is larger than the sum of its proper divisors (1317631819).

6241642421 is a wasteful number, since it uses less digits than its factorization.

6241642421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750004.

The product of its digits is 18432, while the sum is 32.

The square root of 6241642421 is about 79004.0658510687. The cubic root of 6241642421 is about 1841.1943274917.

The spelling of 6241642421 in words is "six billion, two hundred forty-one million, six hundred forty-two thousand, four hundred twenty-one".

Divisors: 1 7 29 41 203 287 1189 8323 749927 5249489 21747883 30747007 152235181 215229049 891663203 6241642421