Base | Representation |
---|---|
bin | 10010101100100… |
… | …00110000100000 |
3 | 101221002211100101 |
4 | 21112100300200 |
5 | 310122041002 |
6 | 23321232144 |
7 | 3613016341 |
oct | 1126206040 |
9 | 357084311 |
10 | 156830752 |
11 | 805882a1 |
12 | 44632654 |
13 | 26651080 |
14 | 16b860c8 |
15 | db7d587 |
hex | 9590c20 |
156830752 has 48 divisors (see below), whose sum is σ = 333956952. Its totient is φ = 72069120.
The previous prime is 156830747. The next prime is 156830759. The reversal of 156830752 is 257038651.
It can be written as a sum of positive squares in 4 ways, for example, as 53523856 + 103306896 = 7316^2 + 10164^2 .
It is not an unprimeable number, because it can be changed into a prime (156830759) 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, 114552 + ... + 115912.
Almost surely, 2156830752 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 156830752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166978476).
156830752 is an abundant number, since it is smaller than the sum of its proper divisors (177126200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
156830752 is a wasteful number, since it uses less digits than its factorization.
156830752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1661 (or 1653 counting only the distinct ones).
The product of its (nonzero) digits is 50400, while the sum is 37.
The square root of 156830752 is about 12523.2085345569. The cubic root of 156830752 is about 539.2751500008.
It can be divided in two parts, 1568 and 30752, that multiplied together give a square (48219136 = 69442).
The spelling of 156830752 in words is "one hundred fifty-six million, eight hundred thirty thousand, seven hundred fifty-two".
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