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4490900 = 225244909
BaseRepresentation
bin10001001000011010010100
322110011100122
4101020122110
52122202100
6240131112
753113001
oct21103224
98404318
104490900
112598097
121606a98
13c1314b
1484c8a8
155da985
hex448694

4490900 has 18 divisors (see below), whose sum is σ = 9745470. Its totient is φ = 1796320.

The previous prime is 4490879. The next prime is 4490921. The reversal of 4490900 is 90944.

It is an interprime number because it is at equal distance from previous prime (4490879) and next prime (4490921).

It can be written as a sum of positive squares in 3 ways, for example, as 21904 + 4468996 = 148^2 + 2114^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4490900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22355 + ... + 22554.

It is an arithmetic number, because the mean of its divisors is an integer number (541415).

Almost surely, 24490900 is an apocalyptic number.

It is an amenable number.

4490900 is an abundant number, since it is smaller than the sum of its proper divisors (5254570).

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

4490900 is a wasteful number, since it uses less digits than its factorization.

4490900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44923 (or 44916 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 4490900 is about 2119.1743675309. The cubic root of 4490900 is about 164.9850001669.

The spelling of 4490900 in words is "four million, four hundred ninety thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 44909 89818 179636 224545 449090 898180 1122725 2245450 4490900