Search a number
-
+
111142360 = 2357396937
BaseRepresentation
bin1101001111111…
…10010111011000
321202010121122201
412213332113120
5211423023420
615010055544
72516460130
oct647762730
9252117581
10111142360
115781199a
123127a5b4
131a045314
1410a91ac0
159b5610a
hex69fe5d8

111142360 has 32 divisors (see below), whose sum is σ = 285795360. Its totient is φ = 38105856.

The previous prime is 111142337. The next prime is 111142397. The reversal of 111142360 is 63241111.

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, 198189 + ... + 198748.

It is an arithmetic number, because the mean of its divisors is an integer number (8931105).

Almost surely, 2111142360 is an apocalyptic number.

111142360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111142360 is an abundant number, since it is smaller than the sum of its proper divisors (174653000).

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

111142360 is a wasteful number, since it uses less digits than its factorization.

111142360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396955 (or 396951 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 111142360 is about 10542.4076946398. The cubic root of 111142360 is about 480.7949212413.

Adding to 111142360 its reverse (63241111), we get a palindrome (174383471).

The spelling of 111142360 in words is "one hundred eleven million, one hundred forty-two thousand, three hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 396937 793874 1587748 1984685 2778559 3175496 3969370 5557118 7938740 11114236 13892795 15877480 22228472 27785590 55571180 111142360