Base | Representation |
---|---|
bin | 10010001011111… |
… | …00010111110001 |
3 | 101122001111022002 |
4 | 21011330113301 |
5 | 303023143240 |
6 | 23045423345 |
7 | 3531451526 |
oct | 1105742761 |
9 | 348044262 |
10 | 152552945 |
11 | 79126316 |
12 | 4310ab55 |
13 | 257b3c1c |
14 | 1639114d |
15 | d5d5d15 |
hex | 917c5f1 |
152552945 has 8 divisors (see below), whose sum is σ = 183221736. Its totient is φ = 121936896.
The previous prime is 152552941. The next prime is 152552969. The reversal of 152552945 is 549255251.
It can be written as a sum of positive squares in 4 ways, for example, as 474721 + 152078224 = 689^2 + 12332^2 .
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 152552945 - 22 = 152552941 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 152552899 and 152552908.
It is not an unprimeable number, because it can be changed into a prime (152552941) 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, 6512 + ... + 18641.
It is an arithmetic number, because the mean of its divisors is an integer number (22902717).
Almost surely, 2152552945 is an apocalyptic number.
It is an amenable number.
152552945 is a deficient number, since it is larger than the sum of its proper divisors (30668791).
152552945 is a wasteful number, since it uses less digits than its factorization.
152552945 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26371.
The product of its digits is 90000, while the sum is 38.
The square root of 152552945 is about 12351.2325295899. The cubic root of 152552945 is about 534.3266866709.
The spelling of 152552945 in words is "one hundred fifty-two million, five hundred fifty-two thousand, nine hundred forty-five".
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