Base | Representation |
---|---|
bin | 11001011100111… |
… | …10001101011000 |
3 | 112212202101012222 |
4 | 30232132031120 |
5 | 414124241302 |
6 | 33104123212 |
7 | 5201540036 |
oct | 1456361530 |
9 | 485671188 |
10 | 213508952 |
11 | aa57a488 |
12 | 5b606508 |
13 | 35307077 |
14 | 204db556 |
15 | 13b26da2 |
hex | cb9e358 |
213508952 has 16 divisors (see below), whose sum is σ = 402406440. Its totient is φ = 106200576.
The previous prime is 213508879. The next prime is 213508979. The reversal of 213508952 is 259805312.
It is a super-3 number, since 3×2135089523 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67598 + ... + 70685.
Almost surely, 2213508952 is an apocalyptic number.
It is an amenable number.
213508952 is a deficient number, since it is larger than the sum of its proper divisors (188897488).
213508952 is a wasteful number, since it uses less digits than its factorization.
213508952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138482 (or 138478 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 35.
The square root of 213508952 is about 14611.9455241251. The cubic root of 213508952 is about 597.6845500543.
The spelling of 213508952 in words is "two hundred thirteen million, five hundred eight thousand, nine hundred fifty-two".
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