Search a number
-
+
1085631484 = 227181214213
BaseRepresentation
bin100000010110101…
…0110101111111100
32210122210210102111
41000231112233330
54210410201414
6255420503404
735621500240
oct10055265774
92718723374
101085631484
115078a1003
122636aab64
13143bbc8c2
14a427c420
15654988c4
hex40b56bfc

1085631484 has 24 divisors (see below), whose sum is σ = 2183269088. Its totient is φ = 462697920.

The previous prime is 1085631473. The next prime is 1085631493. The reversal of 1085631484 is 4841365801.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 102039 + ... + 112174.

Almost surely, 21085631484 is an apocalyptic number.

1085631484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1085631484 is an abundant number, since it is smaller than the sum of its proper divisors (1097637604).

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

1085631484 is a wasteful number, since it uses less digits than its factorization.

1085631484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214405 (or 214403 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 1085631484 is about 32948.9223496004. The cubic root of 1085631484 is about 1027.7657555982.

The spelling of 1085631484 in words is "one billion, eighty-five million, six hundred thirty-one thousand, four hundred eighty-four".

Divisors: 1 2 4 7 14 28 181 362 724 1267 2534 5068 214213 428426 856852 1499491 2998982 5997964 38772553 77545106 155090212 271407871 542815742 1085631484