Base | Representation |
---|---|
bin | 11001011100110… |
… | …10110111100000 |
3 | 112212201200110000 |
4 | 30232122313200 |
5 | 414123322024 |
6 | 33103540000 |
7 | 5201452113 |
oct | 1456326740 |
9 | 485650400 |
10 | 213495264 |
11 | aa570174 |
12 | 5b5ba600 |
13 | 35300a78 |
14 | 204d657a |
15 | 13b22cc9 |
hex | cb9ade0 |
213495264 has 120 divisors (see below), whose sum is σ = 648381888. Its totient is φ = 68843520.
The previous prime is 213495251. The next prime is 213495283. The reversal of 213495264 is 462594312.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 79024 + ... + 81680.
Almost surely, 2213495264 is an apocalyptic number.
213495264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 213495264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324190944).
213495264 is an abundant number, since it is smaller than the sum of its proper divisors (434886624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213495264 is a wasteful number, since it uses less digits than its factorization.
213495264 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2710 (or 2693 counting only the distinct ones).
The product of its digits is 51840, while the sum is 36.
The square root of 213495264 is about 14611.4771327200. The cubic root of 213495264 is about 597.6717773175.
The spelling of 213495264 in words is "two hundred thirteen million, four hundred ninety-five thousand, two hundred sixty-four".
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