Base | Representation |
---|---|
bin | 1110100010111… |
… | …11000100011100 |
3 | 22111121110202120 |
4 | 13101133010130 |
5 | 222214233340 |
6 | 20035222540 |
7 | 3011121513 |
oct | 721370434 |
9 | 274543676 |
10 | 122024220 |
11 | 6297466a |
12 | 34a47a50 |
13 | 1c3853a6 |
14 | 122c567a |
15 | aaa54d0 |
hex | 745f11c |
122024220 has 48 divisors (see below), whose sum is σ = 348945408. Its totient is φ = 31846720.
The previous prime is 122024207. The next prime is 122024233. The reversal of 122024220 is 22420221.
It is an interprime number because it is at equal distance from previous prime (122024207) and next prime (122024233).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 122024220.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18816 + ... + 24455.
It is an arithmetic number, because the mean of its divisors is an integer number (7269696).
Almost surely, 2122024220 is an apocalyptic number.
122024220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122024220 is an abundant number, since it is smaller than the sum of its proper divisors (226921188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122024220 is a wasteful number, since it uses less digits than its factorization.
122024220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43330 (or 43328 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 15.
The square root of 122024220 is about 11046.4573506622. The cubic root of 122024220 is about 496.0003847985. Note that the first 3 decimals are identical.
Adding to 122024220 its reverse (22420221), we get a palindrome (144444441).
The spelling of 122024220 in words is "one hundred twenty-two million, twenty-four thousand, two hundred twenty".
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