Search a number
-
+
28548254 = 272039161
BaseRepresentation
bin110110011100…
…1110010011110
31222201101211202
41230321302132
524302021004
62455515502
7464441030
oct154716236
958641752
1028548254
11151297a9
129688b92
135bb7277
143b11c50
15278db1e
hex1b39c9e

28548254 has 8 divisors (see below), whose sum is σ = 48939888. Its totient is φ = 12234960.

The previous prime is 28548239. The next prime is 28548257. The reversal of 28548254 is 45284582.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28548257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019567 + ... + 1019594.

It is an arithmetic number, because the mean of its divisors is an integer number (6117486).

Almost surely, 228548254 is an apocalyptic number.

28548254 is a deficient number, since it is larger than the sum of its proper divisors (20391634).

28548254 is a wasteful number, since it uses less digits than its factorization.

28548254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039170.

The product of its digits is 102400, while the sum is 38.

The square root of 28548254 is about 5343.0566158333. The cubic root of 28548254 is about 305.6280313711.

It can be divided in two parts, 285 and 48254, that multiplied together give a triangular number (13752390 = T5244).

The spelling of 28548254 in words is "twenty-eight million, five hundred forty-eight thousand, two hundred fifty-four".

Divisors: 1 2 7 14 2039161 4078322 14274127 28548254