Base | Representation |
---|---|
bin | 10110111100111… |
… | …100001011110011 |
3 | 222211120210002120 |
4 | 112330330023303 |
5 | 1242034331112 |
6 | 102113245323 |
7 | 12354034311 |
oct | 2674741363 |
9 | 884523076 |
10 | 385073907 |
11 | 1884007a9 |
12 | a8b63843 |
13 | 61a167aa |
14 | 391db0b1 |
15 | 23c15e8c |
hex | 16f3c2f3 |
385073907 has 8 divisors (see below), whose sum is σ = 521849040. Its totient is φ = 252507360.
The previous prime is 385073903. The next prime is 385073921. The reversal of 385073907 is 709370583.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 385073907 - 22 = 385073903 is a prime.
It is not an unprimeable number, because it can be changed into a prime (385073903) 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, 1051932 + ... + 1052297.
It is an arithmetic number, because the mean of its divisors is an integer number (65231130).
Almost surely, 2385073907 is an apocalyptic number.
385073907 is a deficient number, since it is larger than the sum of its proper divisors (136775133).
385073907 is a wasteful number, since it uses less digits than its factorization.
385073907 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2104293.
The product of its (nonzero) digits is 158760, while the sum is 42.
The square root of 385073907 is about 19623.3001047224. The cubic root of 385073907 is about 727.5251823453.
The spelling of 385073907 in words is "three hundred eighty-five million, seventy-three thousand, nine hundred seven".
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