Base | Representation |
---|---|
bin | 10111000000001… |
… | …001010000010101 |
3 | 222220011110022120 |
4 | 113000021100111 |
5 | 1242243221002 |
6 | 102143250153 |
7 | 12364133226 |
oct | 2700112025 |
9 | 886143276 |
10 | 385913877 |
11 | 188924898 |
12 | a92a9959 |
13 | 61c4bc0b |
14 | 3937924d |
15 | 23d2ecbc |
hex | 17009415 |
385913877 has 8 divisors (see below), whose sum is σ = 522987360. Its totient is φ = 253058160.
The previous prime is 385913873. The next prime is 385913881. The reversal of 385913877 is 778319583.
It is an interprime number because it is at equal distance from previous prime (385913873) and next prime (385913881).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 385913877 - 22 = 385913873 is a prime.
It is a super-2 number, since 2×3859138772 = 297859040922342258, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (385913873) 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, 1054227 + ... + 1054592.
It is an arithmetic number, because the mean of its divisors is an integer number (65373420).
Almost surely, 2385913877 is an apocalyptic number.
It is an amenable number.
385913877 is a deficient number, since it is larger than the sum of its proper divisors (137073483).
385913877 is a wasteful number, since it uses less digits than its factorization.
385913877 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2108883.
The product of its digits is 1270080, while the sum is 51.
The square root of 385913877 is about 19644.6908094783. The cubic root of 385913877 is about 728.0537869580.
The spelling of 385913877 in words is "three hundred eighty-five million, nine hundred thirteen thousand, eight hundred seventy-seven".
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