Base | Representation |
---|---|
bin | 10010010000011… |
… | …10101011011101 |
3 | 101200011221100111 |
4 | 21020032223131 |
5 | 303201332341 |
6 | 23110330021 |
7 | 3536525635 |
oct | 1110165335 |
9 | 350157314 |
10 | 153152221 |
11 | 794a5592 |
12 | 43359911 |
13 | 25963921 |
14 | 164a96c5 |
15 | d6a3681 |
hex | 920eadd |
153152221 has 8 divisors (see below), whose sum is σ = 155243520. Its totient is φ = 151075008.
The previous prime is 153152189. The next prime is 153152243. The reversal of 153152221 is 122251351.
153152221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 153152221 - 25 = 153152189 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 153152192 and 153152201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (153252221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19365 + ... + 26101.
It is an arithmetic number, because the mean of its divisors is an integer number (19405440).
Almost surely, 2153152221 is an apocalyptic number.
It is an amenable number.
153152221 is a deficient number, since it is larger than the sum of its proper divisors (2091299).
153152221 is a wasteful number, since it uses less digits than its factorization.
153152221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7043.
The product of its digits is 600, while the sum is 22.
The square root of 153152221 is about 12375.4685163835. The cubic root of 153152221 is about 535.0254403135.
The spelling of 153152221 in words is "one hundred fifty-three million, one hundred fifty-two thousand, two hundred twenty-one".
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