Base | Representation |
---|---|
bin | 1000010111110… |
… | …01011111100011 |
3 | 11220010221121210 |
4 | 10023321133203 |
5 | 120434243224 |
6 | 10545121203 |
7 | 1511633115 |
oct | 413713743 |
9 | 156127553 |
10 | 70227939 |
11 | 36707321 |
12 | 1b629203 |
13 | 1171b4c2 |
14 | 94813b5 |
15 | 6273429 |
hex | 42f97e3 |
70227939 has 16 divisors (see below), whose sum is σ = 94659840. Its totient is φ = 46310880.
The previous prime is 70227931. The next prime is 70227953. The reversal of 70227939 is 93972207.
It is not a de Polignac number, because 70227939 - 23 = 70227931 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 70227897 and 70227906.
It is not an unprimeable number, because it can be changed into a prime (70227931) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195442 + ... + 195800.
It is an arithmetic number, because the mean of its divisors is an integer number (5916240).
Almost surely, 270227939 is an apocalyptic number.
70227939 is a deficient number, since it is larger than the sum of its proper divisors (24431901).
70227939 is a wasteful number, since it uses less digits than its factorization.
70227939 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 890.
The product of its (nonzero) digits is 47628, while the sum is 39.
The square root of 70227939 is about 8380.2111548576. The cubic root of 70227939 is about 412.5753794292.
The spelling of 70227939 in words is "seventy million, two hundred twenty-seven thousand, nine hundred thirty-nine".
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