Base | Representation |
---|---|
bin | 11001011100000… |
… | …11001101010000 |
3 | 112212112202111200 |
4 | 30232003031100 |
5 | 414112221402 |
6 | 33101511200 |
7 | 5200566426 |
oct | 1456031520 |
9 | 485482450 |
10 | 213398352 |
11 | aa504382 |
12 | 5b572500 |
13 | 3529891b |
14 | 204ad116 |
15 | 13b0421c |
hex | cb83350 |
213398352 has 60 divisors (see below), whose sum is σ = 608509044. Its totient is φ = 69788160.
The previous prime is 213398321. The next prime is 213398357. The reversal of 213398352 is 253893312.
213398352 is a `hidden beast` number, since 213 + 3 + 98 + 352 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 101123136 + 112275216 = 10056^2 + 10596^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213398357) 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, 6349 + ... + 21612.
Almost surely, 2213398352 is an apocalyptic number.
It is an amenable number.
213398352 is an abundant number, since it is smaller than the sum of its proper divisors (395110692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213398352 is a wasteful number, since it uses less digits than its factorization.
213398352 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28028 (or 28019 counting only the distinct ones).
The product of its digits is 38880, while the sum is 36.
The square root of 213398352 is about 14608.1604591406. The cubic root of 213398352 is about 597.5813298254.
The spelling of 213398352 in words is "two hundred thirteen million, three hundred ninety-eight thousand, three hundred fifty-two".
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