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4144825 = 52295717
BaseRepresentation
bin1111110011111010111001
321210120122001
433303322321
52030113300
6224501001
750142016
oct17637271
97716561
104144825
112381083
12147a761
13b21779
1479c70d
1556d16a
hex3f3eb9

4144825 has 12 divisors (see below), whose sum is σ = 5317740. Its totient is φ = 3200960.

The previous prime is 4144817. The next prime is 4144849. The reversal of 4144825 is 5284414.

It can be written as a sum of positive squares in 6 ways, for example, as 32041 + 4112784 = 179^2 + 2028^2 .

It is not a de Polignac number, because 4144825 - 23 = 4144817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4144793 and 4144802.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2134 + ... + 3583.

It is an arithmetic number, because the mean of its divisors is an integer number (443145).

Almost surely, 24144825 is an apocalyptic number.

It is an amenable number.

4144825 is a deficient number, since it is larger than the sum of its proper divisors (1172915).

4144825 is a wasteful number, since it uses less digits than its factorization.

4144825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5756 (or 5751 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 4144825 is about 2035.8843287378. The cubic root of 4144825 is about 160.6332327332.

The spelling of 4144825 in words is "four million, one hundred forty-four thousand, eight hundred twenty-five".

Divisors: 1 5 25 29 145 725 5717 28585 142925 165793 828965 4144825