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3712689 = 33137507
BaseRepresentation
bin1110001010011010110001
320222121212000
432022122301
51422301224
6211324213
743362111
oct16123261
96877760
103712689
112106442
1212b0669
139ccb76
146c9041
154d50c9
hex38a6b1

3712689 has 8 divisors (see below), whose sum is σ = 5500320. Its totient is φ = 2475108.

The previous prime is 3712679. The next prime is 3712697. The reversal of 3712689 is 9862173.

3712689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-3712689 is a prime.

It is a super-2 number, since 2×37126892 = 27568119221442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3712669) 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 7 ways as a sum of consecutive naturals, for example, 68727 + ... + 68780.

It is an arithmetic number, because the mean of its divisors is an integer number (687540).

Almost surely, 23712689 is an apocalyptic number.

It is an amenable number.

3712689 is a deficient number, since it is larger than the sum of its proper divisors (1787631).

3712689 is a wasteful number, since it uses less digits than its factorization.

3712689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137516 (or 137510 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 3712689 is about 1926.8339316091. The cubic root of 3712689 is about 154.8446448960.

The spelling of 3712689 in words is "three million, seven hundred twelve thousand, six hundred eighty-nine".

Divisors: 1 3 9 27 137507 412521 1237563 3712689