Base | Representation |
---|---|
bin | 10010001101101… |
… | …01111111111101 |
3 | 101122111111002110 |
4 | 21012311333331 |
5 | 303103221424 |
6 | 23054444233 |
7 | 3533453643 |
oct | 1106657775 |
9 | 348444073 |
10 | 152788989 |
11 | 792776a1 |
12 | 43203679 |
13 | 258674b2 |
14 | 16413193 |
15 | d630c29 |
hex | 91b5ffd |
152788989 has 8 divisors (see below), whose sum is σ = 203997280. Its totient is φ = 101720016.
The previous prime is 152788969. The next prime is 152788991. The reversal of 152788989 is 989887251.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 152788989 - 212 = 152784893 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152788949) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32242 + ... + 36675.
It is an arithmetic number, because the mean of its divisors is an integer number (25499660).
Almost surely, 2152788989 is an apocalyptic number.
It is an amenable number.
152788989 is a deficient number, since it is larger than the sum of its proper divisors (51208291).
152788989 is an equidigital number, since it uses as much as digits as its factorization.
152788989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69659.
The product of its digits is 2903040, while the sum is 57.
The square root of 152788989 is about 12360.7843197752. The cubic root of 152788989 is about 534.6021311813.
The spelling of 152788989 in words is "one hundred fifty-two million, seven hundred eighty-eight thousand, nine hundred eighty-nine".
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