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899272 = 23112929
BaseRepresentation
bin11011011100011001000
31200200120101
43123203020
5212234042
631135144
710433533
oct3334310
91620511
10899272
11564700
123744b4
1325641a
14195a1a
1512b6b7
hexdb8c8

899272 has 24 divisors (see below), whose sum is σ = 1855350. Its totient is φ = 408320.

The previous prime is 899263. The next prime is 899273. The reversal of 899272 is 272998.

899272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 894916 + 4356 = 946^2 + 66^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 504 + ... + 1432.

2899272 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 899272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (927675).

899272 is an abundant number, since it is smaller than the sum of its proper divisors (956078).

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

899272 is a wasteful number, since it uses less digits than its factorization.

899272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957 (or 942 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 899272 is about 948.2995307391. The cubic root of 899272 is about 96.5228989838.

Subtracting from 899272 its product of digits (18144), we obtain a triangular number (881128 = T1327).

The spelling of 899272 in words is "eight hundred ninety-nine thousand, two hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 929 968 1858 3716 7432 10219 20438 40876 81752 112409 224818 449636 899272