Base | Representation |
---|---|
bin | 1000100001010… |
… | …01100011011110 |
3 | 11222111020001000 |
4 | 10100221203132 |
5 | 121244121444 |
6 | 11031531130 |
7 | 1525341120 |
oct | 420514336 |
9 | 158436030 |
10 | 71473374 |
11 | 37388005 |
12 | 1bb29aa6 |
13 | 11a6634b |
14 | 96c7210 |
15 | 641c469 |
hex | 44298de |
71473374 has 64 divisors (see below), whose sum is σ = 189434880. Its totient is φ = 19530720.
The previous prime is 71473333. The next prime is 71473399. The reversal of 71473374 is 47337417.
It is a Cunningham number, because it is equal to 4153-1.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4584 + ... + 12804.
It is an arithmetic number, because the mean of its divisors is an integer number (2959920).
Almost surely, 271473374 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 71473374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94717440).
71473374 is an abundant number, since it is smaller than the sum of its proper divisors (117961506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71473374 is a wasteful number, since it uses less digits than its factorization.
71473374 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8262 (or 8256 counting only the distinct ones).
The product of its digits is 49392, while the sum is 36.
The square root of 71473374 is about 8454.1926876550. The cubic root of 71473374 is about 414.9999980645. Note that the first 5 decimals are identical.
It can be divided in two parts, 714 and 73374, that added together give a cube (74088 = 423).
The spelling of 71473374 in words is "seventy-one million, four hundred seventy-three thousand, three hundred seventy-four".
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