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3492725 = 52139709
BaseRepresentation
bin1101010100101101110101
320120110010012
431110231311
51343231400
6202510005
741454605
oct15245565
96513105
103492725
111a76155
121205305
13953a02
1466cc05
1548ed35
hex354b75

3492725 has 6 divisors (see below), whose sum is σ = 4331010. Its totient is φ = 2794160.

The previous prime is 3492719. The next prime is 3492733. The reversal of 3492725 is 5272943.

3492725 = 13212 + 13222.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 806404 + 2686321 = 898^2 + 1639^2 .

It is not a de Polignac number, because 3492725 - 26 = 3492661 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3492691 and 3492700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69830 + ... + 69879.

It is an arithmetic number, because the mean of its divisors is an integer number (721835).

Almost surely, 23492725 is an apocalyptic number.

3492725 is the 1322-nd centered square number.

It is an amenable number.

3492725 is a deficient number, since it is larger than the sum of its proper divisors (838285).

3492725 is a wasteful number, since it uses less digits than its factorization.

3492725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139719 (or 139714 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 3492725 is about 1868.8833564458. The cubic root of 3492725 is about 151.7241795057.

The spelling of 3492725 in words is "three million, four hundred ninety-two thousand, seven hundred twenty-five".

Divisors: 1 5 25 139709 698545 3492725