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28992614 = 272295843
BaseRepresentation
bin110111010011…
…0010001100110
32000112222101112
41232212101212
524410230424
62513225022
7501301400
oct156462146
960488345
1028992614
1115402642
129862172
1360115c1
143bc9b70
15282a60e
hex1ba6466

28992614 has 12 divisors (see below), whose sum is σ = 50589324. Its totient is φ = 12425364.

The previous prime is 28992611. The next prime is 28992619. The reversal of 28992614 is 41629982.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28992611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147824 + ... + 148019.

It is an arithmetic number, because the mean of its divisors is an integer number (4215777).

Almost surely, 228992614 is an apocalyptic number.

28992614 is a deficient number, since it is larger than the sum of its proper divisors (21596710).

28992614 is a wasteful number, since it uses less digits than its factorization.

28992614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295859 (or 295852 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 28992614 is about 5384.4789905802. The cubic root of 28992614 is about 307.2055974435.

The spelling of 28992614 in words is "twenty-eight million, nine hundred ninety-two thousand, six hundred fourteen".

Divisors: 1 2 7 14 49 98 295843 591686 2070901 4141802 14496307 28992614