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28968758 = 2713159169
BaseRepresentation
bin110111010000…
…0011100110110
32000111202122222
41232200130312
524404000013
62512522342
7501142010
oct156403466
960452588
1028968758
1115396725
1298503b2
1360037a0
143bc11b0
152823508
hex1ba0736

28968758 has 16 divisors (see below), whose sum is σ = 53481120. Its totient is φ = 11460096.

The previous prime is 28968757. The next prime is 28968763. The reversal of 28968758 is 85786982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28968757) 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 7 ways as a sum of consecutive naturals, for example, 79403 + ... + 79766.

It is an arithmetic number, because the mean of its divisors is an integer number (3342570).

Almost surely, 228968758 is an apocalyptic number.

28968758 is a deficient number, since it is larger than the sum of its proper divisors (24512362).

28968758 is a wasteful number, since it uses less digits than its factorization.

28968758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159191.

The product of its digits is 1935360, while the sum is 53.

The square root of 28968758 is about 5382.2632785846. The cubic root of 28968758 is about 307.1213149691.

The spelling of 28968758 in words is "twenty-eight million, nine hundred sixty-eight thousand, seven hundred fifty-eight".

Divisors: 1 2 7 13 14 26 91 182 159169 318338 1114183 2069197 2228366 4138394 14484379 28968758