Base | Representation |
---|---|
bin | 10101100011100… |
… | …000100101001111 |
3 | 221012110201010212 |
4 | 111203200211033 |
5 | 1220034130111 |
6 | 55514553035 |
7 | 11650542650 |
oct | 2543404517 |
9 | 835421125 |
10 | 361630031 |
11 | 176148aa4 |
12 | a113877b |
13 | 59bc8989 |
14 | 36057527 |
15 | 21b3498b |
hex | 158e094f |
361630031 has 8 divisors (see below), whose sum is σ = 415681824. Its totient is φ = 308175840.
The previous prime is 361629991. The next prime is 361630033. The reversal of 361630031 is 130036163.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 361630031 - 210 = 361629007 is a prime.
It is a super-2 number, since 2×3616300312 = 261552558642121922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 361629979 and 361630006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (361630033) 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, 148100 + ... + 150521.
It is an arithmetic number, because the mean of its divisors is an integer number (51960228).
Almost surely, 2361630031 is an apocalyptic number.
361630031 is a deficient number, since it is larger than the sum of its proper divisors (54051793).
361630031 is a wasteful number, since it uses less digits than its factorization.
361630031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 298801.
The product of its (nonzero) digits is 972, while the sum is 23.
The square root of 361630031 is about 19016.5725355543. The cubic root of 361630031 is about 712.4507197269.
Adding to 361630031 its reverse (130036163), we get a palindrome (491666194).
The spelling of 361630031 in words is "three hundred sixty-one million, six hundred thirty thousand, thirty-one".
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