Base | Representation |
---|---|
bin | 1000100000111… |
… | …01111110011100 |
3 | 11222101210222111 |
4 | 10100131332130 |
5 | 121241112243 |
6 | 11030523404 |
7 | 1525052626 |
oct | 420357634 |
9 | 158353874 |
10 | 71425948 |
11 | 37355410 |
12 | 1bb06564 |
13 | 11a4a899 |
14 | 96b3c16 |
15 | 640d39d |
hex | 441df9c |
71425948 has 48 divisors (see below), whose sum is σ = 143490816. Its totient is φ = 30792960.
The previous prime is 71425919. The next prime is 71425951. The reversal of 71425948 is 84952417.
It is a self number, because there is not a number n which added to its sum of digits gives 71425948.
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, 164740 + ... + 165172.
It is an arithmetic number, because the mean of its divisors is an integer number (2989392).
Almost surely, 271425948 is an apocalyptic number.
It is an amenable number.
71425948 is an abundant number, since it is smaller than the sum of its proper divisors (72064868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71425948 is a wasteful number, since it uses less digits than its factorization.
71425948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 634 (or 632 counting only the distinct ones).
The product of its digits is 80640, while the sum is 40.
The square root of 71425948 is about 8451.3873417327. The cubic root of 71425948 is about 414.9081869761.
It can be divided in two parts, 714 and 25948, that added together give a palindrome (26662).
The spelling of 71425948 in words is "seventy-one million, four hundred twenty-five thousand, nine hundred forty-eight".
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