Base | Representation |
---|---|
bin | 10010001001010… |
… | …10000010110000 |
3 | 101121102100201120 |
4 | 21010222002300 |
5 | 302431400403 |
6 | 23034302240 |
7 | 3525545430 |
oct | 1104520260 |
9 | 347370646 |
10 | 152215728 |
11 | 78a15a25 |
12 | 42b87980 |
13 | 256c65a2 |
14 | 163042c0 |
15 | d56ae53 |
hex | 912a0b0 |
152215728 has 40 divisors (see below), whose sum is σ = 449399808. Its totient is φ = 43490112.
The previous prime is 152215727. The next prime is 152215753. The reversal of 152215728 is 827512251.
It is not an unprimeable number, because it can be changed into a prime (152215727) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226176 + ... + 226847.
Almost surely, 2152215728 is an apocalyptic number.
It is an amenable number.
152215728 is an abundant number, since it is smaller than the sum of its proper divisors (297184080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152215728 is a wasteful number, since it uses less digits than its factorization.
152215728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 453041 (or 453035 counting only the distinct ones).
The product of its digits is 11200, while the sum is 33.
The square root of 152215728 is about 12337.5738295663. The cubic root of 152215728 is about 533.9326880045.
Adding to 152215728 its reverse (827512251), we get a palindrome (979727979).
The spelling of 152215728 in words is "one hundred fifty-two million, two hundred fifteen thousand, seven hundred twenty-eight".
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