Base | Representation |
---|---|
bin | 1010000011111… |
… | …1011101100100 |
3 | 2221102010121100 |
4 | 2200333131210 |
5 | 41300443410 |
6 | 4104320100 |
7 | 1021501521 |
oct | 240773544 |
9 | 87363540 |
10 | 42202980 |
11 | 219057a6 |
12 | 12173030 |
13 | 89884a1 |
14 | 5868148 |
15 | 3a898c0 |
hex | 283f764 |
42202980 has 36 divisors (see below), whose sum is σ = 128016252. Its totient is φ = 11254080.
The previous prime is 42202967. The next prime is 42202991. The reversal of 42202980 is 8920224.
It can be written as a sum of positive squares in 2 ways, for example, as 26378496 + 15824484 = 5136^2 + 3978^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117051 + ... + 117410.
It is an arithmetic number, because the mean of its divisors is an integer number (3556007).
Almost surely, 242202980 is an apocalyptic number.
It is an amenable number.
42202980 is an abundant number, since it is smaller than the sum of its proper divisors (85813272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42202980 is a wasteful number, since it uses less digits than its factorization.
42202980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234476 (or 234471 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 42202980 is about 6496.3820700448. The cubic root of 42202980 is about 348.1617361557.
The spelling of 42202980 in words is "forty-two million, two hundred two thousand, nine hundred eighty".
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