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28793662 = 214396831
BaseRepresentation
bin110110111010…
…1101100111110
32000011212110221
41231311230332
524332344122
62505051554
7466512352
oct155655476
960155427
1028793662
1115287117
129786bba
135c71b91
143b77462
1527db6c7
hex1b75b3e

28793662 has 4 divisors (see below), whose sum is σ = 43190496. Its totient is φ = 14396830.

The previous prime is 28793651. The next prime is 28793729. The reversal of 28793662 is 26639782.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7198414 + ... + 7198417.

It is an arithmetic number, because the mean of its divisors is an integer number (10797624).

Almost surely, 228793662 is an apocalyptic number.

28793662 is a deficient number, since it is larger than the sum of its proper divisors (14396834).

28793662 is a wasteful number, since it uses less digits than its factorization.

28793662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14396833.

The product of its digits is 217728, while the sum is 43.

The square root of 28793662 is about 5365.9726052227. The cubic root of 28793662 is about 306.5012858023.

The spelling of 28793662 in words is "twenty-eight million, seven hundred ninety-three thousand, six hundred sixty-two".

Divisors: 1 2 14396831 28793662