Base | Representation |
---|---|
bin | 10110101111011… |
… | …110000000001110 |
3 | 222120221100210112 |
4 | 112233132000032 |
5 | 1240133324124 |
6 | 101505440022 |
7 | 12312025361 |
oct | 2657360016 |
9 | 876840715 |
10 | 381542414 |
11 | 186409510 |
12 | a7940012 |
13 | 6107b256 |
14 | 3895c0d8 |
15 | 2376990e |
hex | 16bde00e |
381542414 has 16 divisors (see below), whose sum is σ = 625515696. Its totient is φ = 173102400.
The previous prime is 381542411. The next prime is 381542437. The reversal of 381542414 is 414245183.
It is a super-2 number, since 2×3815424142 = 291149227361894792, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (381542411) 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, 4127 + ... + 27930.
It is an arithmetic number, because the mean of its divisors is an integer number (39094731).
Almost surely, 2381542414 is an apocalyptic number.
381542414 is a deficient number, since it is larger than the sum of its proper divisors (243973282).
381542414 is a wasteful number, since it uses less digits than its factorization.
381542414 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32611.
The product of its digits is 15360, while the sum is 32.
The square root of 381542414 is about 19533.1107097666. The cubic root of 381542414 is about 725.2943166523.
Adding to 381542414 its reverse (414245183), we get a palindrome (795787597).
The spelling of 381542414 in words is "three hundred eighty-one million, five hundred forty-two thousand, four hundred fourteen".
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