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3287742757 = 13379683977
BaseRepresentation
bin1100001111110110…
…1111100100100101
322111010110122012021
43003331233210211
523213130232012
61302123423141
7144321231565
oct30375574445
98433418167
103287742757
111437932882
12779084ab1
134051b0220
14232908da5
15143981007
hexc3f6f925

3287742757 has 16 divisors (see below), whose sum is σ = 3558824640. Its totient is φ = 3019306752.

The previous prime is 3287742739. The next prime is 3287742769. The reversal of 3287742757 is 7572477823.

It is a cyclic number.

It is not a de Polignac number, because 3287742757 - 27 = 3287742629 is a prime.

It is a super-2 number, since 2×32877427572 = 21618504872411922098, 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 (3287742737) 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, 3364653 + ... + 3365629.

It is an arithmetic number, because the mean of its divisors is an integer number (222426540).

Almost surely, 23287742757 is an apocalyptic number.

It is an amenable number.

3287742757 is a deficient number, since it is larger than the sum of its proper divisors (271081883).

3287742757 is a wasteful number, since it uses less digits than its factorization.

3287742757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052.

The product of its digits is 4609920, while the sum is 52.

The square root of 3287742757 is about 57338.8416084594. The cubic root of 3287742757 is about 1486.9599679100.

The spelling of 3287742757 in words is "three billion, two hundred eighty-seven million, seven hundred forty-two thousand, seven hundred fifty-seven".

Divisors: 1 13 379 683 977 4927 8879 12701 258857 370283 667291 3365141 4813679 8674783 252903289 3287742757