Search a number
-
+
537085986 = 23897391361
BaseRepresentation
bin100000000000110…
…100100000100010
31101102121210110120
4200000310200202
52044443222421
6125143341110
716211104233
oct4000644042
91342553416
10537085986
11256197718
1212ba51796
138736b478
145148b08a
15322418c6
hex20034822

537085986 has 32 divisors (see below), whose sum is σ = 1088510400. Its totient is φ = 176647680.

The previous prime is 537085979. The next prime is 537085987. The reversal of 537085986 is 689580735.

It is a super-2 number, since 2×5370859862 = 576922712715184392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (537085987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393946 + ... + 395306.

It is an arithmetic number, because the mean of its divisors is an integer number (34015950).

Almost surely, 2537085986 is an apocalyptic number.

537085986 is an abundant number, since it is smaller than the sum of its proper divisors (551424414).

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

537085986 is a wasteful number, since it uses less digits than its factorization.

537085986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 537085986 is about 23175.1156631418. The cubic root of 537085986 is about 812.8578550191.

The spelling of 537085986 in words is "five hundred thirty-seven million, eighty-five thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 89 178 267 534 739 1361 1478 2217 2722 4083 4434 8166 65771 121129 131542 197313 242258 363387 394626 726774 1005779 2011558 3017337 6034674 89514331 179028662 268542993 537085986