Base | Representation |
---|---|
bin | 1000100000110… |
… | …11010100001100 |
3 | 11222101021000221 |
4 | 10100123110030 |
5 | 121240240202 |
6 | 11030401124 |
7 | 1525006102 |
oct | 420332414 |
9 | 158337027 |
10 | 71415052 |
11 | 37348205 |
12 | 1bb001a4 |
13 | 11a45937 |
14 | 96adc72 |
15 | 640a037 |
hex | 441b50c |
71415052 has 24 divisors (see below), whose sum is σ = 130939200. Its totient is φ = 34035456.
The previous prime is 71415037. The next prime is 71415059. The reversal of 71415052 is 25051417.
It is not an unprimeable number, because it can be changed into a prime (71415059) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5268 + ... + 13060.
It is an arithmetic number, because the mean of its divisors is an integer number (5455800).
Almost surely, 271415052 is an apocalyptic number.
It is an amenable number.
71415052 is a deficient number, since it is larger than the sum of its proper divisors (59524148).
71415052 is a wasteful number, since it uses less digits than its factorization.
71415052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7905 (or 7903 counting only the distinct ones).
The product of its (nonzero) digits is 1400, while the sum is 25.
The square root of 71415052 is about 8450.7426892552. The cubic root of 71415052 is about 414.8870878768.
Adding to 71415052 its reverse (25051417), we get a palindrome (96466469).
Subtracting from 71415052 its reverse (25051417), we obtain a triangular number (46363635 = T9629).
The spelling of 71415052 in words is "seventy-one million, four hundred fifteen thousand, fifty-two".
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