Base | Representation |
---|---|
bin | 10010001000101… |
… | …01101100100101 |
3 | 101121021010101221 |
4 | 21010111230211 |
5 | 302421214024 |
6 | 23032420341 |
7 | 3525050443 |
oct | 1104255445 |
9 | 347233357 |
10 | 152132389 |
11 | 78969352 |
12 | 42b476b1 |
13 | 25697686 |
14 | 162c1b93 |
15 | d5513e4 |
hex | 9115b25 |
152132389 has 2 divisors, whose sum is σ = 152132390. Its totient is φ = 152132388.
The previous prime is 152132333. The next prime is 152132447. The reversal of 152132389 is 983231251.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 85840225 + 66292164 = 9265^2 + 8142^2 .
It is an emirp because it is prime and its reverse (983231251) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 152132389 - 27 = 152132261 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (152132329) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76066194 + 76066195.
It is an arithmetic number, because the mean of its divisors is an integer number (76066195).
Almost surely, 2152132389 is an apocalyptic number.
It is an amenable number.
152132389 is a deficient number, since it is larger than the sum of its proper divisors (1).
152132389 is an equidigital number, since it uses as much as digits as its factorization.
152132389 is an evil number, because the sum of its binary digits is even.
The product of its digits is 12960, while the sum is 34.
The square root of 152132389 is about 12334.1959202860. The cubic root of 152132389 is about 533.8352264604.
The spelling of 152132389 in words is "one hundred fifty-two million, one hundred thirty-two thousand, three hundred eighty-nine".
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