Base | Representation |
---|---|
bin | 10110101011000… |
… | …001100110101110 |
3 | 222111202011212020 |
4 | 112223001212232 |
5 | 1234334040033 |
6 | 101424451010 |
7 | 12266104233 |
oct | 2653014656 |
9 | 874664766 |
10 | 380377518 |
11 | 185793294 |
12 | a7479a66 |
13 | 60a60c71 |
14 | 3873778a |
15 | 235d96b3 |
hex | 16ac19ae |
380377518 has 16 divisors (see below), whose sum is σ = 767735760. Its totient is φ = 125629056.
The previous prime is 380377483. The next prime is 380377537. The reversal of 380377518 is 815773083.
It is a self number, because there is not a number n which added to its sum of digits gives 380377518.
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, 290155 + ... + 291462.
It is an arithmetic number, because the mean of its divisors is an integer number (47983485).
Almost surely, 2380377518 is an apocalyptic number.
380377518 is an abundant number, since it is smaller than the sum of its proper divisors (387358242).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380377518 is a wasteful number, since it uses less digits than its factorization.
380377518 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 581731.
The product of its (nonzero) digits is 141120, while the sum is 42.
The square root of 380377518 is about 19503.2694182283. The cubic root of 380377518 is about 724.5554265295. Note that the first 3 decimals are identical.
The spelling of 380377518 in words is "three hundred eighty million, three hundred seventy-seven thousand, five hundred eighteen".
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