Base | Representation |
---|---|
bin | 1000011001101… |
… | …01001010110010 |
3 | 11220121100220210 |
4 | 10030311022302 |
5 | 121020103440 |
6 | 10554244550 |
7 | 1514001543 |
oct | 414651262 |
9 | 156540823 |
10 | 70472370 |
11 | 36863a31 |
12 | 1b726756 |
13 | 117a5837 |
14 | 95064ca |
15 | 62c0a80 |
hex | 43352b2 |
70472370 has 16 divisors (see below), whose sum is σ = 169133760. Its totient is φ = 18792624.
The previous prime is 70472359. The next prime is 70472417. The reversal of 70472370 is 7327407.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2349079 = 70472370 / (7 + 0 + 4 + 7 + 2 + 3 + 7 + 0).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1174510 + ... + 1174569.
It is an arithmetic number, because the mean of its divisors is an integer number (10570860).
Almost surely, 270472370 is an apocalyptic number.
70472370 is an abundant number, since it is smaller than the sum of its proper divisors (98661390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70472370 is a wasteful number, since it uses less digits than its factorization.
70472370 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2349089.
The product of its (nonzero) digits is 8232, while the sum is 30.
The square root of 70472370 is about 8394.7823080768. The cubic root of 70472370 is about 413.0534865759.
Adding to 70472370 its reverse (7327407), we get a palindrome (77799777).
The spelling of 70472370 in words is "seventy million, four hundred seventy-two thousand, three hundred seventy".
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