Search a number
-
+
135286984 = 2372415839
BaseRepresentation
bin10000001000001…
…01000011001000
3100102120021212001
420010011003020
5234113140414
621231400344
73231630460
oct1004050310
9312507761
10135286984
116a403128
12393830b4
132204a091
1413d78ba0
15bd25074
hex81050c8

135286984 has 16 divisors (see below), whose sum is σ = 289900800. Its totient is φ = 57980112.

The previous prime is 135286981. The next prime is 135286993. The reversal of 135286984 is 489682531.

It is not an unprimeable number, because it can be changed into a prime (135286981) 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 3 ways as a sum of consecutive naturals, for example, 1207864 + ... + 1207975.

It is an arithmetic number, because the mean of its divisors is an integer number (18118800).

Almost surely, 2135286984 is an apocalyptic number.

135286984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

135286984 is an abundant number, since it is smaller than the sum of its proper divisors (154613816).

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

135286984 is a wasteful number, since it uses less digits than its factorization.

135286984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415852 (or 2415848 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 135286984 is about 11631.2933072810. The cubic root of 135286984 is about 513.3560346775.

The spelling of 135286984 in words is "one hundred thirty-five million, two hundred eighty-six thousand, nine hundred eighty-four".

Divisors: 1 2 4 7 8 14 28 56 2415839 4831678 9663356 16910873 19326712 33821746 67643492 135286984