Base | Representation |
---|---|
bin | 11010010001010… |
… | …01011110010000 |
3 | 120100122222221200 |
4 | 31020221132100 |
5 | 422403331312 |
6 | 33511151200 |
7 | 5314056363 |
oct | 1510513620 |
9 | 510588850 |
10 | 220370832 |
11 | 103436960 |
12 | 61975500 |
13 | 3686a456 |
14 | 213a60da |
15 | 145300dc |
hex | d229790 |
220370832 has 60 divisors (see below), whose sum is σ = 672803664. Its totient is φ = 66778560.
The previous prime is 220370819. The next prime is 220370833. The reversal of 220370832 is 238073022.
It is a junction number, because it is equal to n+sod(n) for n = 220370796 and 220370805.
It is not an unprimeable number, because it can be changed into a prime (220370833) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67978 + ... + 71145.
Almost surely, 2220370832 is an apocalyptic number.
220370832 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
220370832 is an abundant number, since it is smaller than the sum of its proper divisors (452432832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220370832 is a wasteful number, since it uses less digits than its factorization.
220370832 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139148 (or 139139 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 27.
The square root of 220370832 is about 14844.8924549826. The cubic root of 220370832 is about 604.0200715520.
The spelling of 220370832 in words is "two hundred twenty million, three hundred seventy thousand, eight hundred thirty-two".
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