Base | Representation |
---|---|
bin | 1000110110100… |
… | …01111000111111 |
3 | 12011201210121112 |
4 | 10123101320333 |
5 | 123002310111 |
6 | 11211352235 |
7 | 1561125356 |
oct | 433217077 |
9 | 164653545 |
10 | 74260031 |
11 | 38a1072a |
12 | 20a5267b |
13 | 12500861 |
14 | 9c1099d |
15 | 67bce8b |
hex | 46d1e3f |
74260031 has 8 divisors (see below), whose sum is σ = 77894880. Its totient is φ = 70659072.
The previous prime is 74260027. The next prime is 74260051. The reversal of 74260031 is 13006247.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 74260031 - 22 = 74260027 is a prime.
It is a super-2 number, since 2×742600312 = 11029104408241922, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 74259979 and 74260006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74260001) 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, 3926 + ... + 12803.
It is an arithmetic number, because the mean of its divisors is an integer number (9736860).
Almost surely, 274260031 is an apocalyptic number.
74260031 is a deficient number, since it is larger than the sum of its proper divisors (3634849).
74260031 is a wasteful number, since it uses less digits than its factorization.
74260031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16945.
The product of its (nonzero) digits is 1008, while the sum is 23.
The square root of 74260031 is about 8617.4260078053. The cubic root of 74260031 is about 420.3248261915.
Adding to 74260031 its reverse (13006247), we get a palindrome (87266278).
The spelling of 74260031 in words is "seventy-four million, two hundred sixty thousand, thirty-one".
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