Base | Representation |
---|---|
bin | 11001011001000… |
… | …10001101000110 |
3 | 112211210120111001 |
4 | 30230202031012 |
5 | 414012013110 |
6 | 33045203514 |
7 | 5164323154 |
oct | 1454421506 |
9 | 484716431 |
10 | 213001030 |
11 | aa262910 |
12 | 5b40059a |
13 | 35189b18 |
14 | 204083d4 |
15 | 13a7663a |
hex | cb22346 |
213001030 has 32 divisors (see below), whose sum is σ = 422975520. Its totient is φ = 76581120.
The previous prime is 213001003. The next prime is 213001049. The reversal of 213001030 is 30100312.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 213000998 and 213001016.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1089 + ... + 20668.
It is an arithmetic number, because the mean of its divisors is an integer number (13217985).
Almost surely, 2213001030 is an apocalyptic number.
213001030 is a deficient number, since it is larger than the sum of its proper divisors (209974490).
213001030 is a wasteful number, since it uses less digits than its factorization.
213001030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21864.
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 213001030 is about 14594.5548065023. The cubic root of 213001030 is about 597.2102246189.
Adding to 213001030 its reverse (30100312), we get a palindrome (243101342).
The spelling of 213001030 in words is "two hundred thirteen million, one thousand, thirty".
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