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1057284039 = 37736311093
BaseRepresentation
bin111111000001001…
…101111111000111
32201200110121001010
4333001031333013
54131131042124
6252525133303
735125523520
oct7701157707
92650417033
101057284039
114a289a169
122560ba233
1313b075b76
14a05bd847
1562c49529
hex3f04dfc7

1057284039 has 32 divisors (see below), whose sum is σ = 1637254144. Its totient is φ = 594397440.

The previous prime is 1057284023. The next prime is 1057284049. The reversal of 1057284039 is 9304827501.

It is not a de Polignac number, because 1057284039 - 24 = 1057284023 is a prime.

It is a super-2 number, since 2×10572840392 = 2235699078248307042, 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 = 1057283988 and 1057284006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057284049) 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 31 ways as a sum of consecutive naturals, for example, 966777 + ... + 967869.

It is an arithmetic number, because the mean of its divisors is an integer number (51164192).

Almost surely, 21057284039 is an apocalyptic number.

1057284039 is a deficient number, since it is larger than the sum of its proper divisors (579970105).

1057284039 is a wasteful number, since it uses less digits than its factorization.

1057284039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 1057284039 is about 32515.9044007698. The cubic root of 1057284039 is about 1018.7412509869.

The spelling of 1057284039 in words is "one billion, fifty-seven million, two hundred eighty-four thousand, thirty-nine".

Divisors: 1 3 7 21 73 219 511 631 1093 1533 1893 3279 4417 7651 13251 22953 46063 79789 138189 239367 322441 558523 689683 967323 1675569 2069049 4827781 14483343 50346859 151040577 352428013 1057284039