Base | Representation |
---|---|
bin | 1101110101010… |
… | …1010110101010 |
3 | 11001011210020200 |
4 | 3131111112222 |
5 | 104323140130 |
6 | 5431333030 |
7 | 1303113165 |
oct | 335252652 |
9 | 131153220 |
10 | 58021290 |
11 | 2a82a288 |
12 | 17521176 |
13 | c036432 |
14 | 79c4adc |
15 | 5161760 |
hex | 37555aa |
58021290 has 48 divisors (see below), whose sum is σ = 151382088. Its totient is φ = 15418368.
The previous prime is 58021283. The next prime is 58021333. The reversal of 58021290 is 9212085.
It can be written as a sum of positive squares in 4 ways, for example, as 50253921 + 7767369 = 7089^2 + 2787^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29374 + ... + 31286.
Almost surely, 258021290 is an apocalyptic number.
58021290 is an abundant number, since it is smaller than the sum of its proper divisors (93360798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
58021290 is a wasteful number, since it uses less digits than its factorization.
58021290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2263 (or 2260 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 58021290 is about 7617.1707345969. The cubic root of 58021290 is about 387.1350208916.
It can be divided in two parts, 58021 and 290, that added together give a triangular number (58311 = T341).
The spelling of 58021290 in words is "fifty-eight million, twenty-one thousand, two hundred ninety".
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