Base | Representation |
---|---|
bin | 10010100000100… |
… | …11011010010000 |
3 | 101211011110200112 |
4 | 21100103122100 |
5 | 304222100002 |
6 | 23223540452 |
7 | 3563522402 |
oct | 1120233220 |
9 | 354143615 |
10 | 155268752 |
11 | 7a710791 |
12 | 43bba728 |
13 | 26225102 |
14 | 1689ab72 |
15 | d970852 |
hex | 9413690 |
155268752 has 20 divisors (see below), whose sum is σ = 318529836. Its totient is φ = 73067520.
The previous prime is 155268731. The next prime is 155268787. The reversal of 155268752 is 257862551.
It can be written as a sum of positive squares in 2 ways, for example, as 112444816 + 42823936 = 10604^2 + 6544^2 .
It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.
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, 285149 + ... + 285692.
Almost surely, 2155268752 is an apocalyptic number.
It is an amenable number.
155268752 is an abundant number, since it is smaller than the sum of its proper divisors (163261084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155268752 is a wasteful number, since it uses less digits than its factorization.
155268752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 570866 (or 570860 counting only the distinct ones).
The product of its digits is 168000, while the sum is 41.
The square root of 155268752 is about 12460.6882634949. The cubic root of 155268752 is about 537.4788188516.
The spelling of 155268752 in words is "one hundred fifty-five million, two hundred sixty-eight thousand, seven hundred fifty-two".
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