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3632725 = 52331439
BaseRepresentation
bin1101110110111001010101
320211120011101
431312321111
51412221400
6205510101
742610015
oct15667125
96746141
103632725
112061358
121272331
139a2655
146a7c45
154bb56a
hex376e55

3632725 has 12 divisors (see below), whose sum is σ = 4528480. Its totient is φ = 2890800.

The previous prime is 3632719. The next prime is 3632729. The reversal of 3632725 is 5272363.

It is a de Polignac number, because none of the positive numbers 2k-3632725 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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 = 3632693 and 3632702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3632729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8056 + ... + 8494.

Almost surely, 23632725 is an apocalyptic number.

It is an amenable number.

3632725 is a deficient number, since it is larger than the sum of its proper divisors (895755).

3632725 is a wasteful number, since it uses less digits than its factorization.

3632725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 775 counting only the distinct ones).

The product of its digits is 7560, while the sum is 28.

The square root of 3632725 is about 1905.9708812046. The cubic root of 3632725 is about 153.7248840812.

It can be divided in two parts, 36 and 32725, that added together give a square (32761 = 1812).

The spelling of 3632725 in words is "three million, six hundred thirty-two thousand, seven hundred twenty-five".

Divisors: 1 5 25 331 439 1655 2195 8275 10975 145309 726545 3632725