Base | Representation |
---|---|
bin | 11011001000001… |
… | …010100010010010 |
3 | 1011201101202022121 |
4 | 123020022202102 |
5 | 1413003001023 |
6 | 113054524454 |
7 | 14164333306 |
oct | 3310124222 |
9 | 1151352277 |
10 | 455125138 |
11 | 2139a7286 |
12 | 10850672a |
13 | 733a2720 |
14 | 44633d06 |
15 | 29e51d5d |
hex | 1b20a892 |
455125138 has 8 divisors (see below), whose sum is σ = 735202188. Its totient is φ = 210057744.
The previous prime is 455125129. The next prime is 455125157. The reversal of 455125138 is 831521554.
It can be written as a sum of positive squares in 2 ways, for example, as 454414489 + 710649 = 21317^2 + 843^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8752381 + ... + 8752432.
Almost surely, 2455125138 is an apocalyptic number.
455125138 is a deficient number, since it is larger than the sum of its proper divisors (280077050).
455125138 is a wasteful number, since it uses less digits than its factorization.
455125138 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17504828.
The product of its digits is 24000, while the sum is 34.
The square root of 455125138 is about 21333.6620860086. The cubic root of 455125138 is about 769.2076732004.
The spelling of 455125138 in words is "four hundred fifty-five million, one hundred twenty-five thousand, one hundred thirty-eight".
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