Search a number
-
+
87351296 = 21310663
BaseRepresentation
bin1010011010011…
…10000000000000
320002100220110012
411031032000000
5134330220141
612400124052
72110321334
oct515160000
9202326405
1087351296
114534235a
1225306628
1315135476
14b85b7c4
157a06ceb
hex534e000

87351296 has 28 divisors (see below), whose sum is σ = 174708312. Its totient is φ = 43671552.

The previous prime is 87351293. The next prime is 87351301. The reversal of 87351296 is 69215378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87351293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2861 + ... + 13523.

Almost surely, 287351296 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 87351296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87354156).

87351296 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87351296 is an equidigital number, since it uses as much as digits as its factorization.

87351296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10689 (or 10665 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 87351296 is about 9346.1915238240. The cubic root of 87351296 is about 443.7003632637.

The spelling of 87351296 in words is "eighty-seven million, three hundred fifty-one thousand, two hundred ninety-six".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 10663 21326 42652 85304 170608 341216 682432 1364864 2729728 5459456 10918912 21837824 43675648 87351296