Base | Representation |
---|---|
bin | 10010011110111… |
… | …11000111000010 |
3 | 101210202120211101 |
4 | 21033133013002 |
5 | 304143221110 |
6 | 23215205014 |
7 | 3561641011 |
oct | 1117370702 |
9 | 353676741 |
10 | 155054530 |
11 | 7a584844 |
12 | 43b1676a |
13 | 2617b757 |
14 | 16842a78 |
15 | d92c13a |
hex | 93df1c2 |
155054530 has 8 divisors (see below), whose sum is σ = 279098172. Its totient is φ = 62021808.
The previous prime is 155054519. The next prime is 155054539. The reversal of 155054530 is 35450551.
It can be written as a sum of positive squares in 2 ways, for example, as 132273001 + 22781529 = 11501^2 + 4773^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (155054539) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7752717 + ... + 7752736.
Almost surely, 2155054530 is an apocalyptic number.
155054530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
155054530 is a deficient number, since it is larger than the sum of its proper divisors (124043642).
155054530 is a wasteful number, since it uses less digits than its factorization.
155054530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15505460.
The product of its (nonzero) digits is 7500, while the sum is 28.
The square root of 155054530 is about 12452.0893829108. The cubic root of 155054530 is about 537.2315212276.
The spelling of 155054530 in words is "one hundred fifty-five million, fifty-four thousand, five hundred thirty".
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