Search a number
-
+
1055987086 = 271122327103
BaseRepresentation
bin111110111100010…
…001010110001110
32201121000200221211
4332330101112032
54130313041321
6252441245034
735111512360
oct7674212616
92647020854
101055987086
114a2093800
1225579377a
1313aa1073b
14a0362d30
1562a900e1
hex3ef1158e

1055987086 has 48 divisors (see below), whose sum is σ = 2076383232. Its totient is φ = 393521040.

The previous prime is 1055987081. The next prime is 1055987089. The reversal of 1055987086 is 6807895501.

It is a super-2 number, since 2×10559870862 = 2230217451597542792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055987081) 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 23 ways as a sum of consecutive naturals, for example, 25411 + ... + 52513.

It is an arithmetic number, because the mean of its divisors is an integer number (43257984).

Almost surely, 21055987086 is an apocalyptic number.

1055987086 is a deficient number, since it is larger than the sum of its proper divisors (1020396146).

1055987086 is a wasteful number, since it uses less digits than its factorization.

1055987086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27157 (or 27146 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 49.

The square root of 1055987086 is about 32495.9549174970. The cubic root of 1055987086 is about 1018.3245228113.

The spelling of 1055987086 in words is "one billion, fifty-five million, nine hundred eighty-seven thousand, eighty-six".

Divisors: 1 2 7 11 14 22 23 46 77 121 154 161 242 253 322 506 847 1694 1771 2783 3542 5566 19481 27103 38962 54206 189721 298133 379442 596266 623369 1246738 2086931 3279463 4173862 4363583 6558926 6857059 8727166 13714118 22956241 45912482 47999413 75427649 95998826 150855298 527993543 1055987086