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3133689 = 313194229
BaseRepresentation
bin1011111101000011111001
312220012121120
423331003321
51300234224
6151055453
735431056
oct13750371
95805546
103133689
111850429
121071589
13859470
145b802d
1541d779
hex2fd0f9

3133689 has 16 divisors (see below), whose sum is σ = 4737600. Its totient is φ = 1826496.

The previous prime is 3133673. The next prime is 3133699. The reversal of 3133689 is 9863313.

It is not a de Polignac number, because 3133689 - 24 = 3133673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1374 + ... + 2855.

It is an arithmetic number, because the mean of its divisors is an integer number (296100).

Almost surely, 23133689 is an apocalyptic number.

3133689 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3133689 is a deficient number, since it is larger than the sum of its proper divisors (1603911).

3133689 is a wasteful number, since it uses less digits than its factorization.

3133689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4264.

The product of its digits is 11664, while the sum is 33.

The square root of 3133689 is about 1770.2228673249. Note that the first 3 decimals coincide. The cubic root of 3133689 is about 146.3362643973.

The spelling of 3133689 in words is "three million, one hundred thirty-three thousand, six hundred eighty-nine".

Divisors: 1 3 13 19 39 57 247 741 4229 12687 54977 80351 164931 241053 1044563 3133689