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3541725 = 35521153
BaseRepresentation
bin1101100000101011011101
320122221100000
431200223131
51401313400
6203524513
742050505
oct15405335
96587300
103541725
111aa9a50
121229739
139700c5
14682a05
1549e600
hex360add

3541725 has 72 divisors (see below), whose sum is σ = 7312032. Its totient is φ = 1684800.

The previous prime is 3541723. The next prime is 3541739. The reversal of 3541725 is 5271453.

It is a happy number.

It is not a de Polignac number, because 3541725 - 21 = 3541723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3541723) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 66799 + ... + 66851.

It is an arithmetic number, because the mean of its divisors is an integer number (101556).

Almost surely, 23541725 is an apocalyptic number.

It is an amenable number.

3541725 is an abundant number, since it is smaller than the sum of its proper divisors (3770307).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3541725 is a wasteful number, since it uses less digits than its factorization.

3541725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 72 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 3541725 is about 1881.9471299694. The cubic root of 3541725 is about 152.4304080932.

The spelling of 3541725 in words is "three million, five hundred forty-one thousand, seven hundred twenty-five".

Divisors: 1 3 5 9 11 15 25 27 33 45 53 55 75 81 99 135 159 165 225 243 265 275 297 405 477 495 583 675 795 825 891 1215 1325 1431 1485 1749 2025 2385 2475 2673 2915 3975 4293 4455 5247 6075 7155 7425 8745 11925 12879 13365 14575 15741 21465 22275 26235 35775 43725 47223 64395 66825 78705 107325 131175 141669 236115 321975 393525 708345 1180575 3541725