Base | Representation |
---|---|
bin | 1000011010000… |
… | …00110110001010 |
3 | 11220200210112100 |
4 | 10031000312022 |
5 | 121023121302 |
6 | 10555254230 |
7 | 1514261154 |
oct | 415006612 |
9 | 156623470 |
10 | 70520202 |
11 | 36896965 |
12 | 1b74a376 |
13 | 117c153c |
14 | 9519ad4 |
15 | 62ced1c |
hex | 4340d8a |
70520202 has 24 divisors (see below), whose sum is σ = 153914436. Its totient is φ = 23334336.
The previous prime is 70520173. The next prime is 70520221. The reversal of 70520202 is 20202507.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 59768361 + 10751841 = 7731^2 + 3279^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11833 + ... + 16764.
Almost surely, 270520202 is an apocalyptic number.
70520202 is an abundant number, since it is smaller than the sum of its proper divisors (83394234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70520202 is a wasteful number, since it uses less digits than its factorization.
70520202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28742 (or 28739 counting only the distinct ones).
The product of its (nonzero) digits is 280, while the sum is 18.
The square root of 70520202 is about 8397.6307372973. The cubic root of 70520202 is about 413.1469166020.
Adding to 70520202 its reverse (20202507), we get a palindrome (90722709).
The spelling of 70520202 in words is "seventy million, five hundred twenty thousand, two hundred two".
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