Base | Representation |
---|---|
bin | 1000110101111… |
… | …10110110001111 |
3 | 12011120211121122 |
4 | 10122332312033 |
5 | 122442311111 |
6 | 11205551155 |
7 | 1560352100 |
oct | 432766617 |
9 | 164524548 |
10 | 74182031 |
11 | 38968070 |
12 | 20a154bb |
13 | 124a41c1 |
14 | 9bd03a7 |
15 | 67a4cdb |
hex | 46bed8f |
74182031 has 24 divisors (see below), whose sum is σ = 94706640. Its totient is φ = 57456000.
The previous prime is 74182019. The next prime is 74182063. The reversal of 74182031 is 13028147.
It is not a de Polignac number, because 74182031 - 26 = 74181967 is a prime.
It is a super-2 number, since 2×741820312 = 11005947446569922, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74182081) 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 23 ways as a sum of consecutive naturals, for example, 123131 + ... + 123731.
It is an arithmetic number, because the mean of its divisors is an integer number (3946110).
Almost surely, 274182031 is an apocalyptic number.
74182031 is a deficient number, since it is larger than the sum of its proper divisors (20524609).
74182031 is a wasteful number, since it uses less digits than its factorization.
74182031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 855 (or 848 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 74182031 is about 8612.8991054116. The cubic root of 74182031 is about 420.1776100667.
It can be divided in two parts, 7418 and 2031, that added together give a palindrome (9449).
The spelling of 74182031 in words is "seventy-four million, one hundred eighty-two thousand, thirty-one".
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