Base | Representation |
---|---|
bin | 1000011101000… |
… | …10111101111101 |
3 | 11221110012211210 |
4 | 10032202331331 |
5 | 121124001414 |
6 | 11012035033 |
7 | 1520553666 |
oct | 416427575 |
9 | 157405753 |
10 | 70922109 |
11 | 37040915 |
12 | 1b902a79 |
13 | 1190245b |
14 | 95c236d |
15 | 635de59 |
hex | 43a2f7d |
70922109 has 16 divisors (see below), whose sum is σ = 97070400. Its totient is φ = 46041216.
The previous prime is 70922083. The next prime is 70922123. The reversal of 70922109 is 90122907.
It is not a de Polignac number, because 70922109 - 28 = 70921853 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70922129) 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, 20497 + ... + 23705.
It is an arithmetic number, because the mean of its divisors is an integer number (6066900).
Almost surely, 270922109 is an apocalyptic number.
It is an amenable number.
70922109 is a deficient number, since it is larger than the sum of its proper divisors (26148291).
70922109 is a wasteful number, since it uses less digits than its factorization.
70922109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3404.
The product of its (nonzero) digits is 2268, while the sum is 30.
The square root of 70922109 is about 8421.5265243304. The cubic root of 70922109 is about 413.9302958565.
The spelling of 70922109 in words is "seventy million, nine hundred twenty-two thousand, one hundred nine".
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