Search a number
-
+
86148864 = 2832139269
BaseRepresentation
bin1010010001010…
…00011100000000
320000002211000200
411020220130000
5134023230424
612314245200
72064152604
oct510503400
9200084020
1086148864
11446a0a0a
1224a26800
1314b04079
14b627504
15786a8c9
hex5228700

86148864 has 108 divisors (see below), whose sum is σ = 251105400. Its totient is φ = 28403712.

The previous prime is 86148863. The next prime is 86148889. The reversal of 86148864 is 46884168.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86148863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320122 + ... + 320390.

It is an arithmetic number, because the mean of its divisors is an integer number (2325050).

Almost surely, 286148864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86148864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125552700).

86148864 is an abundant number, since it is smaller than the sum of its proper divisors (164956536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86148864 is a wasteful number, since it uses less digits than its factorization.

86148864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 413 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 86148864 is about 9281.6412341784. The cubic root of 86148864 is about 441.6550340989.

The spelling of 86148864 in words is "eighty-six million, one hundred forty-eight thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 139 144 192 256 269 278 288 384 417 538 556 576 768 807 834 1076 1112 1152 1251 1614 1668 2152 2224 2304 2421 2502 3228 3336 4304 4448 4842 5004 6456 6672 8608 8896 9684 10008 12912 13344 17216 17792 19368 20016 25824 26688 34432 35584 37391 38736 40032 51648 53376 68864 74782 77472 80064 103296 106752 112173 149564 154944 160128 206592 224346 299128 309888 320256 336519 448692 598256 619776 673038 897384 1196512 1346076 1794768 2393024 2692152 3589536 4786048 5384304 7179072 9572096 10768608 14358144 21537216 28716288 43074432 86148864