Base | Representation |
---|---|
bin | 10110101101100… |
… | …011101101000000 |
3 | 222112222220122010 |
4 | 112231203231000 |
5 | 1240021311342 |
6 | 101451012520 |
7 | 12304541040 |
oct | 2655435500 |
9 | 875886563 |
10 | 381041472 |
11 | 1860a7109 |
12 | a773a140 |
13 | 60c34236 |
14 | 3886b720 |
15 | 236bb29c |
hex | 16b63b40 |
381041472 has 112 divisors (see below), whose sum is σ = 1156533120. Its totient is φ = 108460032.
The previous prime is 381041471. The next prime is 381041509. The reversal of 381041472 is 274140183.
It is a tau number, because it is divible by the number of its divisors (112).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (381041471) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 683818 + ... + 684374.
Almost surely, 2381041472 is an apocalyptic number.
381041472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 381041472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (578266560).
381041472 is an abundant number, since it is smaller than the sum of its proper divisors (775491648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
381041472 is a wasteful number, since it uses less digits than its factorization.
381041472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1088 (or 1078 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 381041472 is about 19520.2836044971. The cubic root of 381041472 is about 724.9767551802.
The spelling of 381041472 in words is "three hundred eighty-one million, forty-one thousand, four hundred seventy-two".
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