Search a number
-
+
86830741 = 1915712909
BaseRepresentation
bin1010010110011…
…10111010010101
320001101110101101
411023032322111
5134212040431
612341030101
72103022564
oct513167225
9201343341
1086830741
1145017248
12250b5331
1314cb254a
14b763bdb
157952961
hex52cee95

86830741 has 8 divisors (see below), whose sum is σ = 91490400. Its totient is φ = 82180080.

The previous prime is 86830729. The next prime is 86830753. The reversal of 86830741 is 14703868.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (86830729) and next prime (86830753).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86830741 - 219 = 86306453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86830741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86830771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28395 + ... + 31303.

It is an arithmetic number, because the mean of its divisors is an integer number (11436300).

Almost surely, 286830741 is an apocalyptic number.

It is an amenable number.

86830741 is a deficient number, since it is larger than the sum of its proper divisors (4659659).

86830741 is a wasteful number, since it uses less digits than its factorization.

86830741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4499.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 86830741 is about 9318.3014010065. The cubic root of 86830741 is about 442.8172213308.

It can be divided in two parts, 86830 and 741, that added together give a triangular number (87571 = T418).

The spelling of 86830741 in words is "eighty-six million, eight hundred thirty thousand, seven hundred forty-one".

Divisors: 1 19 1571 2909 29849 55271 4570039 86830741