Base | Representation |
---|---|
bin | 1000100111000… |
… | …11100100101110 |
3 | 12000220221012212 |
4 | 10103203210232 |
5 | 121443012220 |
6 | 11100130422 |
7 | 1534663400 |
oct | 423434456 |
9 | 160827185 |
10 | 72235310 |
11 | 37858504 |
12 | 20236a12 |
13 | 11c720b4 |
14 | 9844b70 |
15 | 651d0c5 |
hex | 44e392e |
72235310 has 24 divisors (see below), whose sum is σ = 151252920. Its totient is φ = 24766224.
The previous prime is 72235291. The next prime is 72235333. The reversal of 72235310 is 1353227.
It is a super-2 number, since 2×722353102 = 10435880021592200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73220 + ... + 74199.
It is an arithmetic number, because the mean of its divisors is an integer number (6302205).
Almost surely, 272235310 is an apocalyptic number.
72235310 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
72235310 is an abundant number, since it is smaller than the sum of its proper divisors (79017610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72235310 is a wasteful number, since it uses less digits than its factorization.
72235310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 147440 (or 147433 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 23.
The square root of 72235310 is about 8499.1358384250. The cubic root of 72235310 is about 416.4694796740.
Adding to 72235310 its reverse (1353227), we get a palindrome (73588537).
The spelling of 72235310 in words is "seventy-two million, two hundred thirty-five thousand, three hundred ten".
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