Search a number
-
+
86887845 = 32511257683
BaseRepresentation
bin1010010110111…
…00110110100101
320001111100201100
411023130312211
5134220402340
612342150313
72103351222
oct513346645
9201440640
1086887845
1145056140
1225122399
1315002535
14b77a949
157964830
hex52dcda5

86887845 has 48 divisors (see below), whose sum is σ = 165177792. Its totient is φ = 41902080.

The previous prime is 86887841. The next prime is 86887849. The reversal of 86887845 is 54878868.

It is an interprime number because it is at equal distance from previous prime (86887841) and next prime (86887849).

It is not a de Polignac number, because 86887845 - 22 = 86887841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86887791 and 86887800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86887841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126874 + ... + 127556.

It is an arithmetic number, because the mean of its divisors is an integer number (3441204).

Almost surely, 286887845 is an apocalyptic number.

It is an amenable number.

86887845 is a deficient number, since it is larger than the sum of its proper divisors (78289947).

86887845 is a wasteful number, since it uses less digits than its factorization.

86887845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 959 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 54.

The square root of 86887845 is about 9321.3649751525. The cubic root of 86887845 is about 442.9142725713.

The spelling of 86887845 in words is "eighty-six million, eight hundred eighty-seven thousand, eight hundred forty-five".

Divisors: 1 3 5 9 11 15 33 45 55 99 165 257 495 683 771 1285 2049 2313 2827 3415 3855 6147 7513 8481 10245 11565 14135 22539 25443 30735 37565 42405 67617 112695 127215 175531 338085 526593 877655 1579779 1930841 2632965 5792523 7898895 9654205 17377569 28962615 86887845