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28244374 = 219743273
BaseRepresentation
bin110101110111…
…1100110010110
31222010221222221
41223233212112
524212304444
62445212554
7462034054
oct153574626
958127887
1028244374
1114a41464
12956115a
135b0bb62
143a731d4
15272da84
hex1aef996

28244374 has 8 divisors (see below), whose sum is σ = 44596440. Its totient is φ = 13378896.

The previous prime is 28244369. The next prime is 28244401. The reversal of 28244374 is 47344282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371599 + ... + 371674.

It is an arithmetic number, because the mean of its divisors is an integer number (5574555).

Almost surely, 228244374 is an apocalyptic number.

28244374 is a deficient number, since it is larger than the sum of its proper divisors (16352066).

28244374 is a wasteful number, since it uses less digits than its factorization.

28244374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743294.

The product of its digits is 43008, while the sum is 34.

The square root of 28244374 is about 5314.5436304541. The cubic root of 28244374 is about 304.5397483530.

The spelling of 28244374 in words is "twenty-eight million, two hundred forty-four thousand, three hundred seventy-four".

Divisors: 1 2 19 38 743273 1486546 14122187 28244374