Base | Representation |
---|---|
bin | 11100101011101… |
… | …011001010010111 |
3 | 1020112111001102210 |
4 | 130223223022113 |
5 | 1441142223111 |
6 | 115430004503 |
7 | 14632140420 |
oct | 3453531227 |
9 | 1215431383 |
10 | 481211031 |
11 | 2276a3a74 |
12 | 1151a6733 |
13 | 78906c72 |
14 | 47ca4647 |
15 | 2c3a60a6 |
hex | 1caeb297 |
481211031 has 32 divisors (see below), whose sum is σ = 741572608. Its totient is φ = 271887840.
The previous prime is 481210997. The next prime is 481211033. The reversal of 481211031 is 130112184.
It is a happy number.
It is not a de Polignac number, because 481211031 - 29 = 481210519 is a prime.
It is a super-2 number, since 2×4812110312 = 463128112712165922, 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 = 481210989 and 481211007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (481211033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 987870 + ... + 988356.
It is an arithmetic number, because the mean of its divisors is an integer number (23174144).
Almost surely, 2481211031 is an apocalyptic number.
481211031 is a deficient number, since it is larger than the sum of its proper divisors (260361577).
481211031 is a wasteful number, since it uses less digits than its factorization.
481211031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 931.
The product of its (nonzero) digits is 192, while the sum is 21.
The square root of 481211031 is about 21936.5227645587. The cubic root of 481211031 is about 783.6314510783.
The spelling of 481211031 in words is "four hundred eighty-one million, two hundred eleven thousand, thirty-one".
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