Base | Representation |
---|---|
bin | 1000011001100… |
… | …10011101001101 |
3 | 11220120210200100 |
4 | 10030302131031 |
5 | 121014230021 |
6 | 10554121313 |
7 | 1513624263 |
oct | 414623515 |
9 | 156523610 |
10 | 70461261 |
11 | 36856652 |
12 | 1b720239 |
13 | 117a0770 |
14 | 9502433 |
15 | 62bc626 |
hex | 433274d |
70461261 has 12 divisors (see below), whose sum is σ = 109606588. Its totient is φ = 43360704.
The previous prime is 70461257. The next prime is 70461299. The reversal of 70461261 is 16216407.
It can be written as a sum of positive squares in 2 ways, for example, as 10692900 + 59768361 = 3270^2 + 7731^2 .
It is not a de Polignac number, because 70461261 - 22 = 70461257 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70468261) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301000 + ... + 301233.
Almost surely, 270461261 is an apocalyptic number.
It is an amenable number.
70461261 is a deficient number, since it is larger than the sum of its proper divisors (39145327).
70461261 is a wasteful number, since it uses less digits than its factorization.
70461261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 602252 (or 602249 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
The square root of 70461261 is about 8394.1206210061. The cubic root of 70461261 is about 413.0317813681.
Adding to 70461261 its reverse (16216407), we get a palindrome (86677668).
The spelling of 70461261 in words is "seventy million, four hundred sixty-one thousand, two hundred sixty-one".
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