Base | Representation |
---|---|
bin | 1110100011110… |
… | …1111110000110 |
3 | 11020220201222201 |
4 | 3220331332012 |
5 | 111113234423 |
6 | 10020545114 |
7 | 1341045154 |
oct | 350757606 |
9 | 136821881 |
10 | 61071238 |
11 | 315227a8 |
12 | 1855219a |
13 | c863737 |
14 | 817a3d4 |
15 | 55652ad |
hex | 3a3df86 |
61071238 has 8 divisors (see below), whose sum is σ = 94082832. Its totient is φ = 29710296.
The previous prime is 61071229. The next prime is 61071239. The reversal of 61071238 is 83217016.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×610712383 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61071239) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412570 + ... + 412717.
It is an arithmetic number, because the mean of its divisors is an integer number (11760354).
Almost surely, 261071238 is an apocalyptic number.
61071238 is a deficient number, since it is larger than the sum of its proper divisors (33011594).
61071238 is a wasteful number, since it uses less digits than its factorization.
61071238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 825326.
The product of its (nonzero) digits is 2016, while the sum is 28.
The square root of 61071238 is about 7814.8088908175. The cubic root of 61071238 is about 393.8028981421.
The spelling of 61071238 in words is "sixty-one million, seventy-one thousand, two hundred thirty-eight".
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