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112440401 = 5311091913
BaseRepresentation
bin1101011001110…
…11010001010001
321211120120020022
412230323101101
5212241043101
615053553225
72533504403
oct654732121
9254516208
10112440401
1158519157
12317a5815
131a3ab0a8
1410d0cb73
159d10a1b
hex6b3b451

112440401 has 8 divisors (see below), whose sum is σ = 114725160. Its totient is φ = 110161792.

The previous prime is 112440389. The next prime is 112440443. The reversal of 112440401 is 104044211.

It can be written as a sum of positive squares in 4 ways, for example, as 16008001 + 96432400 = 4001^2 + 9820^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112440401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112440401.

It is not an unprimeable number, because it can be changed into a prime (112440451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57821 + ... + 59733.

It is an arithmetic number, because the mean of its divisors is an integer number (14340645).

Almost surely, 2112440401 is an apocalyptic number.

It is an amenable number.

112440401 is a deficient number, since it is larger than the sum of its proper divisors (2284759).

112440401 is a wasteful number, since it uses less digits than its factorization.

112440401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 112440401 is about 10603.7918217966. The cubic root of 112440401 is about 482.6594295381.

Adding to 112440401 its reverse (104044211), we get a palindrome (216484612).

The spelling of 112440401 in words is "one hundred twelve million, four hundred forty thousand, four hundred one".

Divisors: 1 53 1109 1913 58777 101389 2121517 112440401