Base | Representation |
---|---|
bin | 1000111000001… |
… | …01011010000010 |
3 | 12012010112001202 |
4 | 10130011122002 |
5 | 123031033132 |
6 | 11220101202 |
7 | 1562664512 |
oct | 434053202 |
9 | 165115052 |
10 | 74471042 |
11 | 39045218 |
12 | 20b34802 |
13 | 12575909 |
14 | 9c67842 |
15 | 6810762 |
hex | 4705682 |
74471042 has 8 divisors (see below), whose sum is σ = 113814396. Its totient is φ = 36532912.
The previous prime is 74471041. The next prime is 74471053. The reversal of 74471042 is 24017447.
It can be written as a sum of positive squares in 2 ways, for example, as 71081761 + 3389281 = 8431^2 + 1841^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 74470996 and 74471014.
It is not an unprimeable number, because it can be changed into a prime (74471041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351173 + ... + 351384.
Almost surely, 274471042 is an apocalyptic number.
74471042 is a deficient number, since it is larger than the sum of its proper divisors (39343354).
74471042 is a wasteful number, since it uses less digits than its factorization.
74471042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 702612.
The product of its (nonzero) digits is 6272, while the sum is 29.
The square root of 74471042 is about 8629.6605958751. The cubic root of 74471042 is about 420.7225694791.
Adding to 74471042 its reverse (24017447), we get a palindrome (98488489).
The spelling of 74471042 in words is "seventy-four million, four hundred seventy-one thousand, forty-two".
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