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486192661 = 1366935569
BaseRepresentation
bin11100111110101…
…011011000010101
31020212212010221121
4130332223120111
51443431131121
6120124443541
715022366213
oct3476533025
91225763847
10486192661
1122a496819
121169a95b1
137995c586
14487ddcb3
152ca3c141
hex1cfab615

486192661 has 4 divisors (see below), whose sum is σ = 486241900. Its totient is φ = 486143424.

The previous prime is 486192649. The next prime is 486192667. The reversal of 486192661 is 166291684.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 432390436 + 53802225 = 20794^2 + 7335^2 .

It is a cyclic number.

It is not a de Polignac number, because 486192661 - 213 = 486184469 is a prime.

It is a super-2 number, since 2×4861926612 = 472766607220521842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486192667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4116 + ... + 31453.

It is an arithmetic number, because the mean of its divisors is an integer number (121560475).

Almost surely, 2486192661 is an apocalyptic number.

It is an amenable number.

486192661 is a deficient number, since it is larger than the sum of its proper divisors (49239).

486192661 is a wasteful number, since it uses less digits than its factorization.

486192661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49238.

The product of its digits is 124416, while the sum is 43.

The square root of 486192661 is about 22049.7768922953. The cubic root of 486192661 is about 786.3262964422.

The spelling of 486192661 in words is "four hundred eighty-six million, one hundred ninety-two thousand, six hundred sixty-one".

Divisors: 1 13669 35569 486192661