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3401725 = 52136069
BaseRepresentation
bin1100111110011111111101
320101211021211
430332133331
51332323400
6200524421
740625365
oct14763775
96354254
103401725
111a13848
121180711
13921472
146479a5
15472dba
hex33e7fd

3401725 has 6 divisors (see below), whose sum is σ = 4218170. Its totient is φ = 2721360.

The previous prime is 3401711. The next prime is 3401731. The reversal of 3401725 is 5271043.

It can be written as a sum of positive squares in 3 ways, for example, as 168921 + 3232804 = 411^2 + 1798^2 .

It is not a de Polignac number, because 3401725 - 27 = 3401597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3401696 and 3401705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68010 + ... + 68059.

Almost surely, 23401725 is an apocalyptic number.

It is an amenable number.

3401725 is a deficient number, since it is larger than the sum of its proper divisors (816445).

3401725 is a wasteful number, since it uses less digits than its factorization.

3401725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136079 (or 136074 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 3401725 is about 1844.3765884439. The cubic root of 3401725 is about 150.3948854502.

Adding to 3401725 its reverse (5271043), we get a palindrome (8672768).

The spelling of 3401725 in words is "three million, four hundred one thousand, seven hundred twenty-five".

Divisors: 1 5 25 136069 680345 3401725