Search a number
-
+
112201231 = 191587441
BaseRepresentation
bin1101011000000…
…00111000001111
321211010102011011
412230000320033
5212210414411
615044510051
72531460202
oct654007017
9254112134
10112201231
115837549a
12316ab327
131a32627c
1410c89939
159cb4c21
hex6b00e0f

112201231 has 4 divisors (see below), whose sum is σ = 112788864. Its totient is φ = 111613600.

The previous prime is 112201223. The next prime is 112201247. The reversal of 112201231 is 132102211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112201231 - 23 = 112201223 is a prime.

It is a super-2 number, since 2×1122012312 = 25178232475830722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112201211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293530 + ... + 293911.

It is an arithmetic number, because the mean of its divisors is an integer number (28197216).

Almost surely, 2112201231 is an apocalyptic number.

112201231 is a deficient number, since it is larger than the sum of its proper divisors (587633).

112201231 is an equidigital number, since it uses as much as digits as its factorization.

112201231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587632.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 112201231 is about 10592.5082487577. The cubic root of 112201231 is about 482.3169678130.

Adding to 112201231 its reverse (132102211), we get a palindrome (244303442).

The spelling of 112201231 in words is "one hundred twelve million, two hundred one thousand, two hundred thirty-one".

Divisors: 1 191 587441 112201231