Base | Representation |
---|---|
bin | 10010001001100… |
… | …01110110111100 |
3 | 101121110222122012 |
4 | 21010301312330 |
5 | 302433411430 |
6 | 23035110352 |
7 | 3526040651 |
oct | 1104616674 |
9 | 347428565 |
10 | 152247740 |
11 | 78a37a87 |
12 | 42ba23b8 |
13 | 25708028 |
14 | 16311c28 |
15 | d575695 |
hex | 9131dbc |
152247740 has 24 divisors (see below), whose sum is σ = 320272512. Its totient is φ = 60793920.
The previous prime is 152247731. The next prime is 152247751. The reversal of 152247740 is 47742251.
152247740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 152247697 and 152247706.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5870 + ... + 18410.
It is an arithmetic number, because the mean of its divisors is an integer number (13344688).
Almost surely, 2152247740 is an apocalyptic number.
152247740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
152247740 is an abundant number, since it is smaller than the sum of its proper divisors (168024772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152247740 is a wasteful number, since it uses less digits than its factorization.
152247740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13157 (or 13155 counting only the distinct ones).
The product of its (nonzero) digits is 15680, while the sum is 32.
The square root of 152247740 is about 12338.8710990917. The cubic root of 152247740 is about 533.9701152694.
Adding to 152247740 its reverse (47742251), we get a palindrome (199989991).
The spelling of 152247740 in words is "one hundred fifty-two million, two hundred forty-seven thousand, seven hundred forty".
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