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4168025 = 52295749
BaseRepresentation
bin1111111001100101011001
321211202110022
433321211121
52031334100
6225200225
750266451
oct17714531
97752408
104168025
112397554
121490075
13b2c1b4
147a6d61
15574e85
hex3f9959

4168025 has 12 divisors (see below), whose sum is σ = 5347500. Its totient is φ = 3218880.

The previous prime is 4168001. The next prime is 4168057. The reversal of 4168025 is 5208614.

It can be written as a sum of positive squares in 6 ways, for example, as 811801 + 3356224 = 901^2 + 1832^2 .

It is a de Polignac number, because none of the positive numbers 2k-4168025 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4167985 and 4168003.

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, 2150 + ... + 3599.

It is an arithmetic number, because the mean of its divisors is an integer number (445625).

Almost surely, 24168025 is an apocalyptic number.

It is an amenable number.

4168025 is a deficient number, since it is larger than the sum of its proper divisors (1179475).

4168025 is a wasteful number, since it uses less digits than its factorization.

4168025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5788 (or 5783 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 4168025 is about 2041.5741475636. The cubic root of 4168025 is about 160.9323816200.

The spelling of 4168025 in words is "four million, one hundred sixty-eight thousand, twenty-five".

Divisors: 1 5 25 29 145 725 5749 28745 143725 166721 833605 4168025