Base | Representation |
---|---|
bin | 10010010011001… |
… | …10110100011101 |
3 | 101200212021120202 |
4 | 21021212310131 |
5 | 303244410440 |
6 | 23122153245 |
7 | 3542561324 |
oct | 1111466435 |
9 | 350767522 |
10 | 153513245 |
11 | 79721856 |
12 | 434b2825 |
13 | 25a5c052 |
14 | 165610bb |
15 | d725615 |
hex | 9266d1d |
153513245 has 4 divisors (see below), whose sum is σ = 184215900. Its totient is φ = 122810592.
The previous prime is 153513229. The next prime is 153513257. The reversal of 153513245 is 542315351.
153513245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542315351 = 17 ⋅31900903.
It can be written as a sum of positive squares in 2 ways, for example, as 83137924 + 70375321 = 9118^2 + 8389^2 .
It is a cyclic number.
It is not a de Polignac number, because 153513245 - 24 = 153513229 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15351320 + ... + 15351329.
It is an arithmetic number, because the mean of its divisors is an integer number (46053975).
Almost surely, 2153513245 is an apocalyptic number.
It is an amenable number.
153513245 is a deficient number, since it is larger than the sum of its proper divisors (30702655).
153513245 is an equidigital number, since it uses as much as digits as its factorization.
153513245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30702654.
The product of its digits is 9000, while the sum is 29.
The square root of 153513245 is about 12390.0462065321. The cubic root of 153513245 is about 535.4455135499.
Adding to 153513245 its reverse (542315351), we get a palindrome (695828596).
The spelling of 153513245 in words is "one hundred fifty-three million, five hundred thirteen thousand, two hundred forty-five".
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