Base | Representation |
---|---|
bin | 10111000100101… |
… | …000101001111110 |
3 | 222222101021010022 |
4 | 113010220221332 |
5 | 1243043403240 |
6 | 102224412142 |
7 | 12410135252 |
oct | 2704505176 |
9 | 888337108 |
10 | 387091070 |
11 | 189559283 |
12 | a9777052 |
13 | 62271992 |
14 | 395a4262 |
15 | 23eb39b5 |
hex | 17128a7e |
387091070 has 16 divisors (see below), whose sum is σ = 697003920. Its totient is φ = 154783104.
The previous prime is 387091063. The next prime is 387091091. The reversal of 387091070 is 70190783.
It is a self number, because there is not a number n which added to its sum of digits gives 387091070.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38201 + ... + 47259.
It is an arithmetic number, because the mean of its divisors is an integer number (43562745).
Almost surely, 2387091070 is an apocalyptic number.
387091070 is a deficient number, since it is larger than the sum of its proper divisors (309912850).
387091070 is a wasteful number, since it uses less digits than its factorization.
387091070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13339.
The product of its (nonzero) digits is 10584, while the sum is 35.
The square root of 387091070 is about 19674.6301108814. The cubic root of 387091070 is about 728.7933214216.
The spelling of 387091070 in words is "three hundred eighty-seven million, ninety-one thousand, seventy".
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