Search a number
-
+
111353380 = 2255567669
BaseRepresentation
bin1101010001100…
…01111000100100
321202112100010021
412220301320210
5212001302010
615014404524
72521326265
oct650617044
9252470107
10111353380
1157946496
1231360744
131a0ba398
1410b0896c
159b988da
hex6a31e24

111353380 has 12 divisors (see below), whose sum is σ = 233842140. Its totient is φ = 44541344.

The previous prime is 111353377. The next prime is 111353393. The reversal of 111353380 is 83353111.

It can be written as a sum of positive squares in 2 ways, for example, as 78428736 + 32924644 = 8856^2 + 5738^2 .

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, 2783815 + ... + 2783854.

It is an arithmetic number, because the mean of its divisors is an integer number (19486845).

Almost surely, 2111353380 is an apocalyptic number.

111353380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111353380 is an abundant number, since it is smaller than the sum of its proper divisors (122488760).

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

111353380 is a wasteful number, since it uses less digits than its factorization.

111353380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5567678 (or 5567676 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 111353380 is about 10552.4110988911. The cubic root of 111353380 is about 481.0990153221.

The spelling of 111353380 in words is "one hundred eleven million, three hundred fifty-three thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 5567669 11135338 22270676 27838345 55676690 111353380