Search a number
-
+
82874528 = 2511235439
BaseRepresentation
bin1001111000010…
…01000010100000
312202221110110222
410330021002200
5132203441103
612120142212
72024264462
oct474110240
9182843428
1082874528
1142864950
1223907968
13142288a9
14b014132
157420638
hex4f090a0

82874528 has 24 divisors (see below), whose sum is σ = 177992640. Its totient is φ = 37670080.

The previous prime is 82874513. The next prime is 82874531. The reversal of 82874528 is 82547828.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117368 + ... + 118071.

It is an arithmetic number, because the mean of its divisors is an integer number (7416360).

Almost surely, 282874528 is an apocalyptic number.

82874528 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

82874528 is an abundant number, since it is smaller than the sum of its proper divisors (95118112).

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

82874528 is a wasteful number, since it uses less digits than its factorization.

82874528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235460 (or 235452 counting only the distinct ones).

The product of its digits is 286720, while the sum is 44.

The square root of 82874528 is about 9103.5448040859. The cubic root of 82874528 is about 435.9871499734.

The spelling of 82874528 in words is "eighty-two million, eight hundred seventy-four thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 235439 470878 941756 1883512 2589829 3767024 5179658 7534048 10359316 20718632 41437264 82874528