Base | Representation |
---|---|
bin | 1000100000001… |
… | …01011100110100 |
3 | 11222012201011220 |
4 | 10100011130310 |
5 | 121224403432 |
6 | 11024430340 |
7 | 1524154020 |
oct | 420053464 |
9 | 158181156 |
10 | 71325492 |
11 | 37296997 |
12 | 1ba783b0 |
13 | 11a13c44 |
14 | 9689380 |
15 | 63dd72c |
hex | 4405734 |
71325492 has 96 divisors (see below), whose sum is σ = 199487232. Its totient is φ = 19408896.
The previous prime is 71325491. The next prime is 71325509. The reversal of 71325492 is 29452317.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71325491) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164508 + ... + 164940.
It is an arithmetic number, because the mean of its divisors is an integer number (2077992).
Almost surely, 271325492 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 71325492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99743616).
71325492 is an abundant number, since it is smaller than the sum of its proper divisors (128161740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71325492 is a wasteful number, since it uses less digits than its factorization.
71325492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 537 (or 535 counting only the distinct ones).
The product of its digits is 15120, while the sum is 33.
The square root of 71325492 is about 8445.4420843435. The cubic root of 71325492 is about 414.7135818251.
It can be divided in two parts, 71325 and 492, that added together give a palindrome (71817).
The spelling of 71325492 in words is "seventy-one million, three hundred twenty-five thousand, four hundred ninety-two".
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