Base | Representation |
---|---|
bin | 1000011111100… |
… | …00010010001000 |
3 | 11222001022020210 |
4 | 10033300102020 |
5 | 121214120132 |
6 | 11022521120 |
7 | 1523343162 |
oct | 417602210 |
9 | 158038223 |
10 | 71238792 |
11 | 37237839 |
12 | 1ba361a0 |
13 | 119b3641 |
14 | 9665932 |
15 | 63c2bcc |
hex | 43f0488 |
71238792 has 16 divisors (see below), whose sum is σ = 178097040. Its totient is φ = 23746256.
The previous prime is 71238787. The next prime is 71238821. The reversal of 71238792 is 29783217.
It is a self number, because there is not a number n which added to its sum of digits gives 71238792.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1484118 + ... + 1484165.
It is an arithmetic number, because the mean of its divisors is an integer number (11131065).
Almost surely, 271238792 is an apocalyptic number.
It is an amenable number.
71238792 is an abundant number, since it is smaller than the sum of its proper divisors (106858248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71238792 is a wasteful number, since it uses less digits than its factorization.
71238792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2968292 (or 2968288 counting only the distinct ones).
The product of its digits is 42336, while the sum is 39.
The square root of 71238792 is about 8440.3075773339. The cubic root of 71238792 is about 414.5454780842.
The spelling of 71238792 in words is "seventy-one million, two hundred thirty-eight thousand, seven hundred ninety-two".
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