Base | Representation |
---|---|
bin | 10110111110011… |
… | …000111101011001 |
3 | 222212022002100212 |
4 | 112332120331121 |
5 | 1242134011123 |
6 | 102125340505 |
7 | 12360206225 |
oct | 2676307531 |
9 | 885262325 |
10 | 385453913 |
11 | 188640259 |
12 | a9107735 |
13 | 61b1a750 |
14 | 39299785 |
15 | 23c8d878 |
hex | 16f98f59 |
385453913 has 8 divisors (see below), whose sum is σ = 419135808. Its totient is φ = 352347984.
The previous prime is 385453897. The next prime is 385453919. The reversal of 385453913 is 319354583.
It is a happy number.
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 385453913 - 24 = 385453897 is a prime.
It is not an unprimeable number, because it can be changed into a prime (385453919) 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, 142595 + ... + 145272.
It is an arithmetic number, because the mean of its divisors is an integer number (52391976).
Almost surely, 2385453913 is an apocalyptic number.
It is an amenable number.
385453913 is a deficient number, since it is larger than the sum of its proper divisors (33681895).
385453913 is a wasteful number, since it uses less digits than its factorization.
385453913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 287983.
The product of its digits is 194400, while the sum is 41.
The square root of 385453913 is about 19632.9802373455. The cubic root of 385453913 is about 727.7644204391.
The spelling of 385453913 in words is "three hundred eighty-five million, four hundred fifty-three thousand, nine hundred thirteen".
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