Base | Representation |
---|---|
bin | 1110010101001… |
… | …10101010111000 |
3 | 22101012211022100 |
4 | 13022212222320 |
5 | 221234022334 |
6 | 15532423400 |
7 | 2656566426 |
oct | 712465270 |
9 | 271184270 |
10 | 120220344 |
11 | 61952362 |
12 | 34317b60 |
13 | 1bba32ca |
14 | 11d76116 |
15 | a84ac99 |
hex | 72a6ab8 |
120220344 has 24 divisors (see below), whose sum is σ = 325596960. Its totient is φ = 40073424.
The previous prime is 120220337. The next prime is 120220357. The reversal of 120220344 is 443022021.
It is a tau number, because it is divible by the number of its divisors (24).
It is a super-2 number, since 2×1202203442 = 28905862222956672, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 834792 + ... + 834935.
It is an arithmetic number, because the mean of its divisors is an integer number (13566540).
Almost surely, 2120220344 is an apocalyptic number.
It is an amenable number.
120220344 is an abundant number, since it is smaller than the sum of its proper divisors (205376616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120220344 is a wasteful number, since it uses less digits than its factorization.
120220344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1669739 (or 1669732 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 120220344 is about 10964.5038191429. The cubic root of 120220344 is about 493.5441275138.
Adding to 120220344 its reverse (443022021), we get a palindrome (563242365).
The spelling of 120220344 in words is "one hundred twenty million, two hundred twenty thousand, three hundred forty-four".
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