Base | Representation |
---|---|
bin | 1110010110111… |
… | …10110010101100 |
3 | 22101122111122021 |
4 | 13023132302230 |
5 | 221313401340 |
6 | 15541355524 |
7 | 2661544552 |
oct | 713366254 |
9 | 271574567 |
10 | 120450220 |
11 | 61a9a040 |
12 | 34408ba4 |
13 | 1bc53b27 |
14 | 11dd5bd2 |
15 | a893e4a |
hex | 72decac |
120450220 has 24 divisors (see below), whose sum is σ = 275941008. Its totient is φ = 43800000.
The previous prime is 120450217. The next prime is 120450223. The reversal of 120450220 is 22054021.
It is an interprime number because it is at equal distance from previous prime (120450217) and next prime (120450223).
It is a junction number, because it is equal to n+sod(n) for n = 120450194 and 120450203.
It is not an unprimeable number, because it can be changed into a prime (120450223) 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, 273531 + ... + 273970.
It is an arithmetic number, because the mean of its divisors is an integer number (11497542).
Almost surely, 2120450220 is an apocalyptic number.
120450220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120450220 is an abundant number, since it is smaller than the sum of its proper divisors (155490788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120450220 is a wasteful number, since it uses less digits than its factorization.
120450220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 547521 (or 547519 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 16.
The square root of 120450220 is about 10974.9815489594. The cubic root of 120450220 is about 493.8584994695.
The spelling of 120450220 in words is "one hundred twenty million, four hundred fifty thousand, two hundred twenty".
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