Base | Representation |
---|---|
bin | 10110101011000… |
… | …000001100001000 |
3 | 222111201212220111 |
4 | 112223000030020 |
5 | 1234333343340 |
6 | 101424404104 |
7 | 12266051311 |
oct | 2653001410 |
9 | 874655814 |
10 | 380371720 |
11 | 1857899a3 |
12 | a7476634 |
13 | 60a5b431 |
14 | 38735608 |
15 | 235d7aea |
hex | 16ac0308 |
380371720 has 32 divisors (see below), whose sum is σ = 856396800. Its totient is φ = 152049088.
The previous prime is 380371711. The next prime is 380371727. The reversal of 380371720 is 27173083.
It is not an unprimeable number, because it can be changed into a prime (380371727) 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, 105711 + ... + 109249.
It is an arithmetic number, because the mean of its divisors is an integer number (26762400).
Almost surely, 2380371720 is an apocalyptic number.
It is an amenable number.
380371720 is an abundant number, since it is smaller than the sum of its proper divisors (476025080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380371720 is a wasteful number, since it uses less digits than its factorization.
380371720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6237 (or 6233 counting only the distinct ones).
The product of its (nonzero) digits is 7056, while the sum is 31.
The square root of 380371720 is about 19503.1207759169. The cubic root of 380371720 is about 724.5517451047.
It can be divided in two parts, 380 and 371720, that added together give a square (372100 = 6102).
The spelling of 380371720 in words is "three hundred eighty million, three hundred seventy-one thousand, seven hundred twenty".
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