Search a number
-
+
112302121 = 227494723
BaseRepresentation
bin1101011000110…
…01100000101001
321211022112112211
412230121200221
5212222131441
615051005121
72532360301
oct654314051
9254275484
10112302121
1158434278
12317397a1
131a360179
1410cb4601
159cd4a81
hex6b19829

112302121 has 4 divisors (see below), whose sum is σ = 112797072. Its totient is φ = 111807172.

The previous prime is 112302109. The next prime is 112302133. The reversal of 112302121 is 121203211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (112302109) and next prime (112302133).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112302121 is a prime.

It is a super-2 number, since 2×1123021212 = 25223532762197282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112302161) 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, 247135 + ... + 247588.

It is an arithmetic number, because the mean of its divisors is an integer number (28199268).

Almost surely, 2112302121 is an apocalyptic number.

It is an amenable number.

112302121 is a deficient number, since it is larger than the sum of its proper divisors (494951).

112302121 is an equidigital number, since it uses as much as digits as its factorization.

112302121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494950.

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

The square root of 112302121 is about 10597.2695068116. The cubic root of 112302121 is about 482.4614890469.

Adding to 112302121 its reverse (121203211), we get a palindrome (233505332).

The spelling of 112302121 in words is "one hundred twelve million, three hundred two thousand, one hundred twenty-one".

Divisors: 1 227 494723 112302121