Base | Representation |
---|---|
bin | 101010111101010… |
… | …111111111111000 |
3 | 1212020011222122102 |
4 | 222331113333320 |
5 | 2434001412102 |
6 | 155303442532 |
7 | 23601056630 |
oct | 5275277770 |
9 | 1766158572 |
10 | 720732152 |
11 | 33a91a808 |
12 | 181456448 |
13 | b641ab3a |
14 | 6ba136c0 |
15 | 4341a402 |
hex | 2af57ff8 |
720732152 has 16 divisors (see below), whose sum is σ = 1544426160. Its totient is φ = 308885184.
The previous prime is 720732121. The next prime is 720732161. The reversal of 720732152 is 251237027.
It is a super-2 number, since 2×7207321522 = 1038909669853102208, 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 3 ways as a sum of consecutive naturals, for example, 6435053 + ... + 6435164.
It is an arithmetic number, because the mean of its divisors is an integer number (96526635).
Almost surely, 2720732152 is an apocalyptic number.
It is an amenable number.
720732152 is an abundant number, since it is smaller than the sum of its proper divisors (823694008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
720732152 is a wasteful number, since it uses less digits than its factorization.
720732152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12870230 (or 12870226 counting only the distinct ones).
The product of its (nonzero) digits is 5880, while the sum is 29.
The square root of 720732152 is about 26846.4551104983. The cubic root of 720732152 is about 896.5846491195.
Adding to 720732152 its reverse (251237027), we get a palindrome (971969179).
The spelling of 720732152 in words is "seven hundred twenty million, seven hundred thirty-two thousand, one hundred fifty-two".
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