Base | Representation |
---|---|
bin | 1110100101011… |
… | …01001111101111 |
3 | 22112012202000020 |
4 | 13102231033233 |
5 | 222310010211 |
6 | 20050133223 |
7 | 3013624206 |
oct | 722551757 |
9 | 275182006 |
10 | 122344431 |
11 | 63073200 |
12 | 34b81213 |
13 | 1c468071 |
14 | 1236a23d |
15 | ab1a306 |
hex | 74ad3ef |
122344431 has 48 divisors (see below), whose sum is σ = 187536384. Its totient is φ = 70840000.
The previous prime is 122344421. The next prime is 122344433. The reversal of 122344431 is 134443221.
122344431 = 2052 + 2062 + ... + 7212.
It is not a de Polignac number, because 122344431 - 25 = 122344399 is a prime.
It is a super-2 number, since 2×1223444312 = 29936319593427522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122344433) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1211281 + ... + 1211381.
It is an arithmetic number, because the mean of its divisors is an integer number (3907008).
Almost surely, 2122344431 is an apocalyptic number.
122344431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
122344431 is a deficient number, since it is larger than the sum of its proper divisors (65191953).
122344431 is a wasteful number, since it uses less digits than its factorization.
122344431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244 (or 233 counting only the distinct ones).
The product of its digits is 2304, while the sum is 24.
The square root of 122344431 is about 11060.9416868547. The cubic root of 122344431 is about 496.4338671958.
Adding to 122344431 its reverse (134443221), we get a palindrome (256787652).
It can be divided in two parts, 1223 and 44431, that added together give a palindrome (45654).
The spelling of 122344431 in words is "one hundred twenty-two million, three hundred forty-four thousand, four hundred thirty-one".
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