Base | Representation |
---|---|
bin | 10010001011000… |
… | …11010111001001 |
3 | 101121212021210000 |
4 | 21011203113021 |
5 | 303011404010 |
6 | 23043313213 |
7 | 3530544054 |
oct | 1105432711 |
9 | 347767700 |
10 | 152450505 |
11 | 79066359 |
12 | 4307b809 |
13 | 257793cc |
14 | 16365a9b |
15 | d5b57c0 |
hex | 91635c9 |
152450505 has 40 divisors (see below), whose sum is σ = 279977544. Its totient is φ = 79315200.
The previous prime is 152450491. The next prime is 152450531. The reversal of 152450505 is 505054251.
152450505 is a `hidden beast` number, since 152 + 4 + 5 + 0 + 505 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 1971216 + 150479289 = 1404^2 + 12267^2 .
It is not a de Polignac number, because 152450505 - 213 = 152442313 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is an unprimeable number.
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 39 ways as a sum of consecutive naturals, for example, 12015 + ... + 21195.
Almost surely, 2152450505 is an apocalyptic number.
152450505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
152450505 is a deficient number, since it is larger than the sum of its proper divisors (127527039).
152450505 is an equidigital number, since it uses as much as digits as its factorization.
152450505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9239 (or 9230 counting only the distinct ones).
The product of its (nonzero) digits is 5000, while the sum is 27.
The square root of 152450505 is about 12347.0848786262. The cubic root of 152450505 is about 534.2070589524.
The spelling of 152450505 in words is "one hundred fifty-two million, four hundred fifty thousand, five hundred five".
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