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4225040 = 24552813
BaseRepresentation
bin10000000111100000010000
321221122122222
4100013200100
52040200130
6230320212
750624621
oct20074020
97848588
104225040
112426376
1214b9068
13b4c131
147bda48
15586ce5
hex407810

4225040 has 20 divisors (see below), whose sum is σ = 9823404. Its totient is φ = 1689984.

The previous prime is 4225037. The next prime is 4225069. The reversal of 4225040 is 405224.

It can be written as a sum of positive squares in 2 ways, for example, as 430336 + 3794704 = 656^2 + 1948^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26327 + ... + 26486.

Almost surely, 24225040 is an apocalyptic number.

4225040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4225040 is an abundant number, since it is smaller than the sum of its proper divisors (5598364).

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

4225040 is a wasteful number, since it uses less digits than its factorization.

4225040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52826 (or 52820 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 4225040 is about 2055.4902091715. The cubic root of 4225040 is about 161.6628664333.

It can be divided in two parts, 42250 and 40, that multiplied together give a square (1690000 = 13002).

The spelling of 4225040 in words is "four million, two hundred twenty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 52813 105626 211252 264065 422504 528130 845008 1056260 2112520 4225040