Base | Representation |
---|---|
bin | 10110110000000… |
… | …111100001001100 |
3 | 222121021000001112 |
4 | 112300013201030 |
5 | 1240204244320 |
6 | 101513231152 |
7 | 12313334213 |
oct | 2660074114 |
9 | 877230045 |
10 | 381712460 |
11 | 186515248 |
12 | a7a024b8 |
13 | 6110a77c |
14 | 389a407a |
15 | 2379eec5 |
hex | 16c0784c |
381712460 has 48 divisors (see below), whose sum is σ = 829785600. Its totient is φ = 147394560.
The previous prime is 381712459. The next prime is 381712493. The reversal of 381712460 is 64217183.
381712460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77141 + ... + 81939.
It is an arithmetic number, because the mean of its divisors is an integer number (17287200).
Almost surely, 2381712460 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 381712460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414892800).
381712460 is an abundant number, since it is smaller than the sum of its proper divisors (448073140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
381712460 is a wasteful number, since it uses less digits than its factorization.
381712460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4946 (or 4944 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 32.
The square root of 381712460 is about 19537.4629878088. The cubic root of 381712460 is about 725.4020504847.
The spelling of 381712460 in words is "three hundred eighty-one million, seven hundred twelve thousand, four hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •