Search a number
-
+
112778260 = 2257805559
BaseRepresentation
bin1101011100011…
…01110000010100
321212012201200121
412232031300110
5212332401020
615105121324
72536412410
oct656156024
9255181617
10112778260
1158729a81
1231929244
131a498aca
1410d99d40
159d7abaa
hex6b8dc14

112778260 has 24 divisors (see below), whose sum is σ = 270668160. Its totient is φ = 38666784.

The previous prime is 112778231. The next prime is 112778261. The reversal of 112778260 is 62877211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112778261) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 402640 + ... + 402919.

It is an arithmetic number, because the mean of its divisors is an integer number (11277840).

Almost surely, 2112778260 is an apocalyptic number.

112778260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112778260 is an abundant number, since it is smaller than the sum of its proper divisors (157889900).

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

112778260 is a wasteful number, since it uses less digits than its factorization.

112778260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805575 (or 805573 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 112778260 is about 10619.7109188527. The cubic root of 112778260 is about 483.1423750869.

The spelling of 112778260 in words is "one hundred twelve million, seven hundred seventy-eight thousand, two hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 805559 1611118 3222236 4027795 5638913 8055590 11277826 16111180 22555652 28194565 56389130 112778260