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2425869 = 3567149
BaseRepresentation
bin1001010000010000001101
311120020200000
421100100031
51110111434
6123554513
726422335
oct11202015
94506600
102425869
111407656
1298ba39
1366c234
144720c5
1532db99
hex25040d

2425869 has 24 divisors (see below), whose sum is σ = 3712800. Its totient is φ = 1582416.

The previous prime is 2425837. The next prime is 2425889. The reversal of 2425869 is 9685242.

It is a happy number.

It is not a de Polignac number, because 2425869 - 25 = 2425837 is a prime.

It is a super-2 number, since 2×24258692 = 11769680810322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2425889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16207 + ... + 16355.

It is an arithmetic number, because the mean of its divisors is an integer number (154700).

22425869 is an apocalyptic number.

It is an amenable number.

2425869 is a deficient number, since it is larger than the sum of its proper divisors (1286931).

2425869 is an equidigital number, since it uses as much as digits as its factorization.

2425869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 219 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2425869 is about 1557.5201443320. The cubic root of 2425869 is about 134.3659153043.

The spelling of 2425869 in words is "two million, four hundred twenty-five thousand, eight hundred sixty-nine".

Divisors: 1 3 9 27 67 81 149 201 243 447 603 1341 1809 4023 5427 9983 12069 16281 29949 36207 89847 269541 808623 2425869