Search a number
-
+
1057871892 = 2237111960257
BaseRepresentation
bin111111000011011…
…101100000010100
32201201120110102110
4333003131200110
54131303400032
6252545511020
735133522420
oct7703354024
92651513373
101057871892
114a31608a0
12256342470
1313b2205cc
14a06d3b80
1562d137cc
hex3f0dd814

1057871892 has 96 divisors (see below), whose sum is σ = 3239470080. Its totient is φ = 260305920.

The previous prime is 1057871887. The next prime is 1057871917. The reversal of 1057871892 is 2981787501.

It is a happy number.

1057871892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10578718922 = 2238185879767319328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12573 + ... + 47684.

It is an arithmetic number, because the mean of its divisors is an integer number (33744480).

Almost surely, 21057871892 is an apocalyptic number.

1057871892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1057871892 is an abundant number, since it is smaller than the sum of its proper divisors (2181598188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1057871892 is a wasteful number, since it uses less digits than its factorization.

1057871892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60301 (or 60299 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 48.

The square root of 1057871892 is about 32524.9426133237. The cubic root of 1057871892 is about 1018.9300237044.

The spelling of 1057871892 in words is "one billion, fifty-seven million, eight hundred seventy-one thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 7 11 12 14 19 21 22 28 33 38 42 44 57 66 76 77 84 114 132 133 154 209 228 231 266 308 399 418 462 532 627 798 836 924 1254 1463 1596 2508 2926 4389 5852 8778 17556 60257 120514 180771 241028 361542 421799 662827 723084 843598 1144883 1265397 1325654 1687196 1988481 2289766 2530794 2651308 3434649 3976962 4579532 4639789 5061588 6869298 7953924 8014181 9279578 12593713 13738596 13919367 16028362 18559156 24042543 25187426 27838734 32056724 37781139 48085086 50374852 55677468 75562278 88155991 96170172 151124556 176311982 264467973 352623964 528935946 1057871892