Base | Representation |
---|---|
bin | 11001100000000… |
… | …01010000011100 |
3 | 112220111222201220 |
4 | 30300001100130 |
5 | 414230232102 |
6 | 33120533340 |
7 | 5205146610 |
oct | 1460012034 |
9 | 486458656 |
10 | 213914652 |
11 | aa827276 |
12 | 5b781250 |
13 | 35419923 |
14 | 205a5340 |
15 | 13ba71bc |
hex | cc0141c |
213914652 has 96 divisors (see below), whose sum is σ = 584908800. Its totient is φ = 59590080.
The previous prime is 213914647. The next prime is 213914683. The reversal of 213914652 is 256419312.
It is a super-2 number, since 2×2139146522 = 91518956680562208, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1074849 + ... + 1075047.
It is an arithmetic number, because the mean of its divisors is an integer number (6092800).
Almost surely, 2213914652 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 213914652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292454400).
213914652 is an abundant number, since it is smaller than the sum of its proper divisors (370994148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213914652 is a wasteful number, since it uses less digits than its factorization.
213914652 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 471 (or 469 counting only the distinct ones).
The product of its digits is 12960, while the sum is 33.
The square root of 213914652 is about 14625.8214128301. The cubic root of 213914652 is about 598.0628748631.
The spelling of 213914652 in words is "two hundred thirteen million, nine hundred fourteen thousand, six hundred fifty-two".
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