Base | Representation |
---|---|
bin | 10111001110011… |
… | …111011111011111 |
3 | 1000011020112120111 |
4 | 113032133133133 |
5 | 1244224044400 |
6 | 102400030451 |
7 | 12441116434 |
oct | 2716373737 |
9 | 1004215514 |
10 | 389674975 |
11 | 18aa63638 |
12 | aa602427 |
13 | 62967b11 |
14 | 39a77b8b |
15 | 243243ba |
hex | 1739f7df |
389674975 has 6 divisors (see below), whose sum is σ = 483197000. Its totient is φ = 311739960.
The previous prime is 389674973. The next prime is 389674997. The reversal of 389674975 is 579476983.
It is not a de Polignac number, because 389674975 - 21 = 389674973 is a prime.
It is a super-2 number, since 2×3896749752 = 303693172282501250, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (389674973) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7793475 + ... + 7793524.
Almost surely, 2389674975 is an apocalyptic number.
389674975 is a deficient number, since it is larger than the sum of its proper divisors (93522025).
389674975 is a wasteful number, since it uses less digits than its factorization.
389674975 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15587009 (or 15587004 counting only the distinct ones).
The product of its digits is 11430720, while the sum is 58.
The square root of 389674975 is about 19740.1868025609. The cubic root of 389674975 is about 730.4113369529.
The spelling of 389674975 in words is "three hundred eighty-nine million, six hundred seventy-four thousand, nine hundred seventy-five".
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