Base | Representation |
---|---|
bin | 10010001000100… |
… | …11010110100001 |
3 | 101121020122020020 |
4 | 21010103112201 |
5 | 302420412120 |
6 | 23032304053 |
7 | 3525010443 |
oct | 1104232641 |
9 | 347218206 |
10 | 152122785 |
11 | 78962111 |
12 | 42b42029 |
13 | 256931a9 |
14 | 162bc493 |
15 | d54d640 |
hex | 91135a1 |
152122785 has 24 divisors (see below), whose sum is σ = 248739456. Its totient is φ = 79388640.
The previous prime is 152122769. The next prime is 152122801. The reversal of 152122785 is 587221251.
It is an interprime number because it is at equal distance from previous prime (152122769) and next prime (152122801).
It is not a de Polignac number, because 152122785 - 24 = 152122769 is a prime.
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 23 ways as a sum of consecutive naturals, for example, 30840 + ... + 35430.
It is an arithmetic number, because the mean of its divisors is an integer number (10364144).
Almost surely, 2152122785 is an apocalyptic number.
152122785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
152122785 is a deficient number, since it is larger than the sum of its proper divisors (96616671).
152122785 is an equidigital number, since it uses as much as digits as its factorization.
152122785 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4693 (or 4646 counting only the distinct ones).
The product of its digits is 11200, while the sum is 33.
The square root of 152122785 is about 12333.8065900192. The cubic root of 152122785 is about 533.8239926891.
The spelling of 152122785 in words is "one hundred fifty-two million, one hundred twenty-two thousand, seven hundred eighty-five".
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