Base | Representation |
---|---|
bin | 10010001010101… |
… | …10101101100001 |
3 | 101121202122200220 |
4 | 21011112231201 |
5 | 303003224224 |
6 | 23042233253 |
7 | 3530240022 |
oct | 1105265541 |
9 | 347678626 |
10 | 152398689 |
11 | 79030433 |
12 | 43055829 |
13 | 2575b951 |
14 | 16350c49 |
15 | d5a5279 |
hex | 9156b61 |
152398689 has 16 divisors (see below), whose sum is σ = 205255680. Its totient is φ = 100576080.
The previous prime is 152398661. The next prime is 152398703. The reversal of 152398689 is 986893251.
It is a happy number.
It is not a de Polignac number, because 152398689 - 25 = 152398657 is a prime.
It is not an unprimeable number, because it can be changed into a prime (152398789) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165372 + ... + 166290.
It is an arithmetic number, because the mean of its divisors is an integer number (12828480).
Almost surely, 2152398689 is an apocalyptic number.
It is an amenable number.
152398689 is a deficient number, since it is larger than the sum of its proper divisors (52856991).
152398689 is a wasteful number, since it uses less digits than its factorization.
152398689 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1420.
The product of its digits is 933120, while the sum is 51.
The square root of 152398689 is about 12344.9863912440. The cubic root of 152398689 is about 534.1465286847.
The spelling of 152398689 in words is "one hundred fifty-two million, three hundred ninety-eight thousand, six hundred eighty-nine".
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