Base | Representation |
---|---|
bin | 1000100100111… |
… | …00000010100110 |
3 | 12000101001022000 |
4 | 10102130002212 |
5 | 121404123220 |
6 | 11045550130 |
7 | 1532333226 |
oct | 422340246 |
9 | 160331260 |
10 | 71942310 |
11 | 37678360 |
12 | 20115346 |
13 | 11b9b91b |
14 | 97aa086 |
15 | 64b1390 |
hex | 449c0a6 |
71942310 has 64 divisors (see below), whose sum is σ = 209295360. Its totient is φ = 17439840.
The previous prime is 71942291. The next prime is 71942323. The reversal of 71942310 is 1324917.
It is a super-2 number, since 2×719423102 = 10351391936272200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
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, 9142 + ... + 15081.
It is an arithmetic number, because the mean of its divisors is an integer number (3270240).
Almost surely, 271942310 is an apocalyptic number.
71942310 is an abundant number, since it is smaller than the sum of its proper divisors (137353050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71942310 is a wasteful number, since it uses less digits than its factorization.
71942310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24250 (or 24244 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 71942310 is about 8481.8812771696. The cubic root of 71942310 is about 415.9056237770.
The spelling of 71942310 in words is "seventy-one million, nine hundred forty-two thousand, three hundred ten".
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