Search a number
-
+
1081557114 = 231153309193
BaseRepresentation
bin100000001110111…
…0100000001111010
32210101010210102220
41000131310001322
54203334311424
6255153304510
735542040511
oct10035640172
92711123386
101081557114
11505568960
12262265136
131430c4231
14a38db678
1564e41579
hex4077407a

1081557114 has 32 divisors (see below), whose sum is σ = 2404292544. Its totient is φ = 321559680.

The previous prime is 1081557079. The next prime is 1081557131. The reversal of 1081557114 is 4117551801.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151099 + ... + 158094.

It is an arithmetic number, because the mean of its divisors is an integer number (75134142).

Almost surely, 21081557114 is an apocalyptic number.

1081557114 is an abundant number, since it is smaller than the sum of its proper divisors (1322735430).

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

1081557114 is a wasteful number, since it uses less digits than its factorization.

1081557114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309262.

The product of its (nonzero) digits is 5600, while the sum is 33.

The square root of 1081557114 is about 32887.0356523661. The cubic root of 1081557114 is about 1026.4784103905.

The spelling of 1081557114 in words is "one billion, eighty-one million, five hundred fifty-seven thousand, one hundred fourteen".

Divisors: 1 2 3 6 11 22 33 53 66 106 159 318 583 1166 1749 3498 309193 618386 927579 1855158 3401123 6802246 10203369 16387229 20406738 32774458 49161687 98323374 180259519 360519038 540778557 1081557114