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3031725 = 35240423
BaseRepresentation
bin1011100100001010101101
312201000202010
423210022231
51234003400
6144551433
734524564
oct13441255
95630663
103031725
111790864
121022579
13821c28
1458cbdb
153ed450
hex2e42ad

3031725 has 12 divisors (see below), whose sum is σ = 5012576. Its totient is φ = 1616880.

The previous prime is 3031711. The next prime is 3031727. The reversal of 3031725 is 5271303.

It is a happy number.

3031725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3031725 - 216 = 2966189 is a prime.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3031727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20137 + ... + 20286.

Almost surely, 23031725 is an apocalyptic number.

It is an amenable number.

3031725 is a deficient number, since it is larger than the sum of its proper divisors (1980851).

3031725 is a wasteful number, since it uses less digits than its factorization.

3031725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40436 (or 40431 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 3031725 is about 1741.1849413546. The cubic root of 3031725 is about 144.7315683739.

The spelling of 3031725 in words is "three million, thirty-one thousand, seven hundred twenty-five".

Divisors: 1 3 5 15 25 75 40423 121269 202115 606345 1010575 3031725