Base | Representation |
---|---|
bin | 10010001001001… |
… | …11100011100101 |
3 | 101121101211202021 |
4 | 21010213203211 |
5 | 302431034131 |
6 | 23034143141 |
7 | 3525503635 |
oct | 1104474345 |
9 | 347354667 |
10 | 152205541 |
11 | 78a09304 |
12 | 42b81ab1 |
13 | 256c1a67 |
14 | 163006c5 |
15 | d567e11 |
hex | 91278e5 |
152205541 has 4 divisors (see below), whose sum is σ = 152233452. Its totient is φ = 152177632.
The previous prime is 152205533. The next prime is 152205551. The reversal of 152205541 is 145502251.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 58522500 + 93683041 = 7650^2 + 9679^2 .
It is a cyclic number.
It is not a de Polignac number, because 152205541 - 23 = 152205533 is a prime.
It is a super-2 number, since 2×1522055412 = 46333053422205362, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152205551) 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 3 ways as a sum of consecutive naturals, for example, 2806 + ... + 17671.
It is an arithmetic number, because the mean of its divisors is an integer number (38058363).
Almost surely, 2152205541 is an apocalyptic number.
It is an amenable number.
152205541 is a deficient number, since it is larger than the sum of its proper divisors (27911).
152205541 is an equidigital number, since it uses as much as digits as its factorization.
152205541 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27910.
The product of its (nonzero) digits is 2000, while the sum is 25.
The square root of 152205541 is about 12337.1609781181. The cubic root of 152205541 is about 533.9207766343.
Adding to 152205541 its reverse (145502251), we get a palindrome (297707792).
The spelling of 152205541 in words is "one hundred fifty-two million, two hundred five thousand, five hundred forty-one".
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