Base | Representation |
---|---|
bin | 10010010000110… |
… | …11101010110001 |
3 | 101200021122100000 |
4 | 21020123222301 |
5 | 303210033200 |
6 | 23111420213 |
7 | 3540140022 |
oct | 1110335261 |
9 | 350248300 |
10 | 153205425 |
11 | 7953155a |
12 | 43384669 |
13 | 25981bc9 |
14 | 164c0c49 |
15 | d6b4300 |
hex | 921bab1 |
153205425 has 36 divisors (see below), whose sum is σ = 284582480. Its totient is φ = 81706320.
The previous prime is 153205399. The next prime is 153205427. The reversal of 153205425 is 524502351.
It is a happy number.
It is not a de Polignac number, because 153205425 - 26 = 153205361 is a prime.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (153205427) 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 35 ways as a sum of consecutive naturals, for example, 6535 + ... + 18684.
Almost surely, 2153205425 is an apocalyptic number.
153205425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
153205425 is a deficient number, since it is larger than the sum of its proper divisors (131377055).
153205425 is an equidigital number, since it uses as much as digits as its factorization.
153205425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25244 (or 25227 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 153205425 is about 12377.6179049121. The cubic root of 153205425 is about 535.0873878272.
Adding to 153205425 its reverse (524502351), we get a palindrome (677707776).
The spelling of 153205425 in words is "one hundred fifty-three million, two hundred five thousand, four hundred twenty-five".
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