Base | Representation |
---|---|
bin | 1000100000111… |
… | …01110111010000 |
3 | 11222101210100110 |
4 | 10100131313100 |
5 | 121241103423 |
6 | 11030521320 |
7 | 1525051401 |
oct | 420356720 |
9 | 158353313 |
10 | 71425488 |
11 | 37355032 |
12 | 1bb06240 |
13 | 11a4a604 |
14 | 96b39a8 |
15 | 640d193 |
hex | 441ddd0 |
71425488 has 80 divisors (see below), whose sum is σ = 198844416. Its totient is φ = 22028160.
The previous prime is 71425469. The next prime is 71425493. The reversal of 71425488 is 88452417.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33181 + ... + 35267.
Almost surely, 271425488 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 71425488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99422208).
71425488 is an abundant number, since it is smaller than the sum of its proper divisors (127418928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71425488 is a wasteful number, since it uses less digits than its factorization.
71425488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2152 (or 2146 counting only the distinct ones).
The product of its digits is 71680, while the sum is 39.
The square root of 71425488 is about 8451.3601272221. The cubic root of 71425488 is about 414.9072962719.
The spelling of 71425488 in words is "seventy-one million, four hundred twenty-five thousand, four hundred eighty-eight".
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