Base | Representation |
---|---|
bin | 10111001001000… |
… | …001011000000000 |
3 | 1000001112200101110 |
4 | 113021001120000 |
5 | 1243342202041 |
6 | 102305203320 |
7 | 12422664441 |
oct | 2711013000 |
9 | 1001480343 |
10 | 388240896 |
11 | 18a17414a |
12 | aa030540 |
13 | 62585154 |
14 | 397c32c8 |
15 | 2413e516 |
hex | 17241600 |
388240896 has 40 divisors (see below), whose sum is σ = 1034302104. Its totient is φ = 129413120.
The previous prime is 388240861. The next prime is 388240961. The reversal of 388240896 is 698042883.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124845 + ... + 127916.
Almost surely, 2388240896 is an apocalyptic number.
It is an amenable number.
388240896 is an abundant number, since it is smaller than the sum of its proper divisors (646061208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
388240896 is an equidigital number, since it uses as much as digits as its factorization.
388240896 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 252782 (or 252766 counting only the distinct ones).
The product of its (nonzero) digits is 663552, while the sum is 48.
The square root of 388240896 is about 19703.8294755106. The cubic root of 388240896 is about 729.5142173691.
The spelling of 388240896 in words is "three hundred eighty-eight million, two hundred forty thousand, eight hundred ninety-six".
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