Base | Representation |
---|---|
bin | 10110110001010… |
… | …000011101011111 |
3 | 222121211011220010 |
4 | 112301100131133 |
5 | 1240243324411 |
6 | 101523454303 |
7 | 12316020240 |
oct | 2661203537 |
9 | 877734803 |
10 | 382011231 |
11 | 1866a9768 |
12 | a7b27393 |
13 | 611b3764 |
14 | 38a40cc7 |
15 | 2380d7a6 |
hex | 16c5075f |
382011231 has 16 divisors (see below), whose sum is σ = 583075584. Its totient is φ = 217930944.
The previous prime is 382011197. The next prime is 382011271. The reversal of 382011231 is 132110283.
It is not a de Polignac number, because 382011231 - 27 = 382011103 is a prime.
It is a super-2 number, since 2×3820112312 = 291865161220270722, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 382011198 and 382011207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (382011271) 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, 1785 + ... + 27698.
It is an arithmetic number, because the mean of its divisors is an integer number (36442224).
Almost surely, 2382011231 is an apocalyptic number.
382011231 is a deficient number, since it is larger than the sum of its proper divisors (201064353).
382011231 is a wasteful number, since it uses less digits than its factorization.
382011231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30110.
The product of its (nonzero) digits is 288, while the sum is 21.
The square root of 382011231 is about 19545.1075975549. The cubic root of 382011231 is about 725.5912614727.
It can be divided in two parts, 3820 and 11231, that added together give a palindrome (15051).
The spelling of 382011231 in words is "three hundred eighty-two million, eleven thousand, two hundred thirty-one".
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