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4181425 = 52198803
BaseRepresentation
bin1111111100110110110001
321212102211121
433330312301
52032301200
6225342241
750353513
oct17746661
97772747
104181425
1123a6626
121497981
13b35321
147abbb3
15578e1a
hex3fcdb1

4181425 has 12 divisors (see below), whose sum is σ = 5458480. Its totient is φ = 3168720.

The previous prime is 4181417. The next prime is 4181431. The reversal of 4181425 is 5241814.

It is not a de Polignac number, because 4181425 - 23 = 4181417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 4181425.

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, 3927 + ... + 4876.

Almost surely, 24181425 is an apocalyptic number.

It is an amenable number.

4181425 is a deficient number, since it is larger than the sum of its proper divisors (1277055).

4181425 is a wasteful number, since it uses less digits than its factorization.

4181425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8832 (or 8827 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 4181425 is about 2044.8532954713. The cubic root of 4181425 is about 161.1046604190.

The spelling of 4181425 in words is "four million, one hundred eighty-one thousand, four hundred twenty-five".

Divisors: 1 5 19 25 95 475 8803 44015 167257 220075 836285 4181425