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899072 = 211439
BaseRepresentation
bin11011011100000000000
31200200021222
43123200000
5212232242
631134212
710433126
oct3334000
91620258
10899072
11564539
12374368
132562c5
14195916
1512b5d2
hexdb800

899072 has 24 divisors (see below), whose sum is σ = 1801800. Its totient is φ = 448512.

The previous prime is 899069. The next prime is 899123. The reversal of 899072 is 270998.

It is a super-2 number, since 2×8990722 = 1616660922368, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1829 + ... + 2267.

It is an arithmetic number, because the mean of its divisors is an integer number (75075).

2899072 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 899072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (900900).

899072 is an abundant number, since it is smaller than the sum of its proper divisors (902728).

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

899072 is an equidigital number, since it uses as much as digits as its factorization.

899072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 899072 is about 948.1940729619. The cubic root of 899072 is about 96.5157428207.

The spelling of 899072 in words is "eight hundred ninety-nine thousand, seventy-two".

Divisors: 1 2 4 8 16 32 64 128 256 439 512 878 1024 1756 2048 3512 7024 14048 28096 56192 112384 224768 449536 899072