Base | Representation |
---|---|
bin | 1000010110011… |
… | …10111001011111 |
3 | 11212211002022000 |
4 | 10023032321133 |
5 | 120413202341 |
6 | 10541253343 |
7 | 1510305345 |
oct | 413167137 |
9 | 155732260 |
10 | 70053471 |
11 | 365a8234 |
12 | 1b564253 |
13 | 11689c77 |
14 | 9437995 |
15 | 623b8b6 |
hex | 42cee5f |
70053471 has 8 divisors (see below), whose sum is σ = 103782960. Its totient is φ = 46702296.
The previous prime is 70053463. The next prime is 70053491. The reversal of 70053471 is 17435007.
It is not a de Polignac number, because 70053471 - 23 = 70053463 is a prime.
It is a super-3 number, since 3×700534713 (a number of 25 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2594573 = 70053471 / (7 + 0 + 0 + 5 + 3 + 4 + 7 + 1).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70053421) 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, 1297260 + ... + 1297313.
It is an arithmetic number, because the mean of its divisors is an integer number (12972870).
Almost surely, 270053471 is an apocalyptic number.
70053471 is a deficient number, since it is larger than the sum of its proper divisors (33729489).
70053471 is a wasteful number, since it uses less digits than its factorization.
70053471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2594582 (or 2594576 counting only the distinct ones).
The product of its (nonzero) digits is 2940, while the sum is 27.
The square root of 70053471 is about 8369.7951587838. The cubic root of 70053471 is about 412.2334410089.
Adding to 70053471 its reverse (17435007), we get a palindrome (87488478).
The spelling of 70053471 in words is "seventy million, fifty-three thousand, four hundred seventy-one".
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