Base | Representation |
---|---|
bin | 10010100001001… |
… | …11010001110000 |
3 | 101211022121022110 |
4 | 21100213101300 |
5 | 304232201003 |
6 | 23225405320 |
7 | 3564311553 |
oct | 1120472160 |
9 | 354277273 |
10 | 155350128 |
11 | 7a76693a |
12 | 44039840 |
13 | 2625316b |
14 | 168bc69a |
15 | d989a03 |
hex | 9427470 |
155350128 has 40 divisors (see below), whose sum is σ = 403560976. Its totient is φ = 51494400.
The previous prime is 155350081. The next prime is 155350141. The reversal of 155350128 is 821053551.
It is a junction number, because it is equal to n+sod(n) for n = 155350095 and 155350104.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253 + ... + 17628.
Almost surely, 2155350128 is an apocalyptic number.
It is an amenable number.
155350128 is an abundant number, since it is smaller than the sum of its proper divisors (248210848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155350128 is a wasteful number, since it uses less digits than its factorization.
155350128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18073 (or 18067 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 30.
The square root of 155350128 is about 12463.9531449697. The cubic root of 155350128 is about 537.5726995951.
It can be divided in two parts, 1553 and 50128, that added together give a triangular number (51681 = T321).
The spelling of 155350128 in words is "one hundred fifty-five million, three hundred fifty thousand, one hundred twenty-eight".
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