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1409072589 = 32156563621
BaseRepresentation
bin101001111111100…
…1011110111001101
310122012102022012200
41103333023313031
510341210310324
6351453152113
746626630231
oct12377136715
93565368180
101409072589
11663426101
12333a8b639
13195c07182
14d51d45c1
1583a87ec9
hex53fcbdcd

1409072589 has 6 divisors (see below), whose sum is σ = 2035327086. Its totient is φ = 939381720.

The previous prime is 1409072579. The next prime is 1409072593. The reversal of 1409072589 is 9852709041.

It can be written as a sum of positive squares in only one way, i.e., 1380716964 + 28355625 = 37158^2 + 5325^2 .

It is not a de Polignac number, because 1409072589 - 28 = 1409072333 is a prime.

It is a super-2 number, since 2×14090725892 = 3970971122142325842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409072579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78281802 + ... + 78281819.

It is an arithmetic number, because the mean of its divisors is an integer number (339221181).

Almost surely, 21409072589 is an apocalyptic number.

It is an amenable number.

1409072589 is a deficient number, since it is larger than the sum of its proper divisors (626254497).

1409072589 is a wasteful number, since it uses less digits than its factorization.

1409072589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156563627 (or 156563624 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 1409072589 is about 37537.6156541675. The cubic root of 1409072589 is about 1121.1002657587.

The spelling of 1409072589 in words is "one billion, four hundred nine million, seventy-two thousand, five hundred eighty-nine".

Divisors: 1 3 9 156563621 469690863 1409072589