Base | Representation |
---|---|
bin | 1110100100101… |
… | …00000101111101 |
3 | 22112000111200110 |
4 | 13102110011331 |
5 | 222243211110 |
6 | 20044020233 |
7 | 3013014636 |
oct | 722240575 |
9 | 275014613 |
10 | 122241405 |
11 | 63002860 |
12 | 34b31679 |
13 | 1c4301c0 |
14 | 1234088d |
15 | aae9a20 |
hex | 749417d |
122241405 has 32 divisors (see below), whose sum is σ = 229783680. Its totient is φ = 54708480.
The previous prime is 122241397. The next prime is 122241439. The reversal of 122241405 is 504142221.
It is not a de Polignac number, because 122241405 - 23 = 122241397 is a prime.
It is a super-2 number, since 2×1222414052 = 29885922192748050, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26350 + ... + 30639.
It is an arithmetic number, because the mean of its divisors is an integer number (7180740).
Almost surely, 2122241405 is an apocalyptic number.
122241405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
122241405 is a deficient number, since it is larger than the sum of its proper divisors (107542275).
122241405 is a wasteful number, since it uses less digits than its factorization.
122241405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57021.
The product of its (nonzero) digits is 640, while the sum is 21.
The square root of 122241405 is about 11056.2835075807. The cubic root of 122241405 is about 496.2944794077.
Adding to 122241405 its reverse (504142221), we get a palindrome (626383626).
The spelling of 122241405 in words is "one hundred twenty-two million, two hundred forty-one thousand, four hundred five".
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