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28950382 = 214475191
BaseRepresentation
bin110111001101…
…1111101101110
32000110211110101
41232123331232
524402403012
62512301314
7501034306
oct156337556
960424411
1028950382
111538393a
12984183a
135cc8306
143bb8606
15281cd57
hex1b9bf6e

28950382 has 4 divisors (see below), whose sum is σ = 43425576. Its totient is φ = 14475190.

The previous prime is 28950379. The next prime is 28950421. The reversal of 28950382 is 28305982.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 7237594 + ... + 7237597.

It is an arithmetic number, because the mean of its divisors is an integer number (10856394).

Almost surely, 228950382 is an apocalyptic number.

28950382 is a deficient number, since it is larger than the sum of its proper divisors (14475194).

28950382 is a wasteful number, since it uses less digits than its factorization.

28950382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14475193.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 28950382 is about 5380.5559192336. Note that the first 3 decimals coincide. The cubic root of 28950382 is about 307.0563616029.

The spelling of 28950382 in words is "twenty-eight million, nine hundred fifty thousand, three hundred eighty-two".

Divisors: 1 2 14475191 28950382