Base | Representation |
---|---|
bin | 11100001010000… |
… | …001100110110111 |
3 | 1012220212220100120 |
4 | 130022001212313 |
5 | 1431412440241 |
6 | 114512543023 |
7 | 14464151346 |
oct | 3412014667 |
9 | 1186786316 |
10 | 472390071 |
11 | 22271971a |
12 | 112251a73 |
13 | 76b38c6a |
14 | 46a49b5d |
15 | 2b712666 |
hex | 1c2819b7 |
472390071 has 4 divisors (see below), whose sum is σ = 629853432. Its totient is φ = 314926712.
The previous prime is 472389991. The next prime is 472390073. The reversal of 472390071 is 170093274.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 472390071 - 217 = 472258999 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (472390073) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78731676 + ... + 78731681.
It is an arithmetic number, because the mean of its divisors is an integer number (157463358).
Almost surely, 2472390071 is an apocalyptic number.
472390071 is a deficient number, since it is larger than the sum of its proper divisors (157463361).
472390071 is a wasteful number, since it uses less digits than its factorization.
472390071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 157463360.
The product of its (nonzero) digits is 10584, while the sum is 33.
The square root of 472390071 is about 21734.5363649653. The cubic root of 472390071 is about 778.8137078749.
The spelling of 472390071 in words is "four hundred seventy-two million, three hundred ninety thousand, seventy-one".
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