Base | Representation |
---|---|
bin | 10111001010111… |
… | …011110011001100 |
3 | 1000002111011020202 |
4 | 113022323303030 |
5 | 1244004223343 |
6 | 102324033032 |
7 | 12430153421 |
oct | 2712736314 |
9 | 1002434222 |
10 | 388742348 |
11 | 18a486975 |
12 | aa232778 |
13 | 626cc477 |
14 | 398b3d48 |
15 | 241dcdb8 |
hex | 172bbccc |
388742348 has 6 divisors (see below), whose sum is σ = 680299116. Its totient is φ = 194371172.
The previous prime is 388742339. The next prime is 388742351. The reversal of 388742348 is 843247883.
It is a super-2 number, since 2×3887423482 = 302241226257106208, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48592790 + ... + 48592797.
It is an arithmetic number, because the mean of its divisors is an integer number (113383186).
Almost surely, 2388742348 is an apocalyptic number.
It is an amenable number.
388742348 is a deficient number, since it is larger than the sum of its proper divisors (291556768).
388742348 is a wasteful number, since it uses less digits than its factorization.
388742348 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97185591 (or 97185589 counting only the distinct ones).
The product of its digits is 1032192, while the sum is 47.
The square root of 388742348 is about 19716.5501039102. The cubic root of 388742348 is about 729.8281624685.
The spelling of 388742348 in words is "three hundred eighty-eight million, seven hundred forty-two thousand, three hundred forty-eight".
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