Base | Representation |
---|---|
bin | 10010001101000… |
… | …01100100001000 |
3 | 101122100020021102 |
4 | 21012201210020 |
5 | 303043032123 |
6 | 23053000532 |
7 | 3532654631 |
oct | 1106414410 |
9 | 348306242 |
10 | 152705288 |
11 | 7921a81a |
12 | 43183148 |
13 | 25838378 |
14 | 163d0888 |
15 | d616028 |
hex | 91a1908 |
152705288 has 36 divisors (see below), whose sum is σ = 305343735. Its totient is φ = 71581696.
The previous prime is 152705281. The next prime is 152705297. The reversal of 152705288 is 882507251.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 5 ways, for example, as 148303684 + 4401604 = 12178^2 + 2098^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=8738.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (152705281) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 594056 + ... + 594312.
Almost surely, 2152705288 is an apocalyptic number.
It is an amenable number.
152705288 is a deficient number, since it is larger than the sum of its proper divisors (152638447).
152705288 is an equidigital number, since it uses as much as digits as its factorization.
152705288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 554 (or 276 counting only the distinct ones).
The product of its (nonzero) digits is 44800, while the sum is 38.
The square root of 152705288 is about 12357.3981080161. The cubic root of 152705288 is about 534.5044912776.
The spelling of 152705288 in words is "one hundred fifty-two million, seven hundred five thousand, two hundred eighty-eight".
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