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3425687 = 17201511
BaseRepresentation
bin1101000100010110010111
320110001011022
431010112113
51334110222
6201231355
741055266
oct15042627
96401138
103425687
111a2a851
12119255b
1392c345
146525dd
1547a042
hex344597

3425687 has 4 divisors (see below), whose sum is σ = 3627216. Its totient is φ = 3224160.

The previous prime is 3425663. The next prime is 3425693. The reversal of 3425687 is 7865243.

It is a happy number.

3425687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7865243 = 33723339.

It is a cyclic number.

It is not a de Polignac number, because 3425687 - 28 = 3425431 is a prime.

It is a d-powerful number, because it can be written as 3 + 410 + 221 + 5 + 67 + 8 + 7 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3425627) 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 3 ways as a sum of consecutive naturals, for example, 100739 + ... + 100772.

It is an arithmetic number, because the mean of its divisors is an integer number (906804).

Almost surely, 23425687 is an apocalyptic number.

3425687 is a deficient number, since it is larger than the sum of its proper divisors (201529).

3425687 is a wasteful number, since it uses less digits than its factorization.

3425687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201528.

The product of its digits is 40320, while the sum is 35.

The square root of 3425687 is about 1850.8611509241. The cubic root of 3425687 is about 150.7471903820.

It can be divided in two parts, 34256 and 87, that added together give a palindrome (34343).

The spelling of 3425687 in words is "three million, four hundred twenty-five thousand, six hundred eighty-seven".

Divisors: 1 17 201511 3425687