Search a number
-
+
28936299 = 373144449
BaseRepresentation
bin110111001100…
…0100001101011
32000110010010210
41232120201223
524401430144
62512112203
7500645250
oct156304153
960403123
1028936299
11153742a7
129835663
135cc1a92
143bb3427
152818ab9
hex1b9886b

28936299 has 16 divisors (see below), whose sum is σ = 45516800. Its totient is φ = 16001280.

The previous prime is 28936273. The next prime is 28936301. The reversal of 28936299 is 99263982.

It is not a de Polignac number, because 28936299 - 211 = 28934251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28937299) 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 15 ways as a sum of consecutive naturals, for example, 21574 + ... + 22875.

It is an arithmetic number, because the mean of its divisors is an integer number (2844800).

Almost surely, 228936299 is an apocalyptic number.

28936299 is a deficient number, since it is larger than the sum of its proper divisors (16580501).

28936299 is a wasteful number, since it uses less digits than its factorization.

28936299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44490.

The product of its digits is 419904, while the sum is 48.

The square root of 28936299 is about 5379.2470662724. The cubic root of 28936299 is about 307.0065640319.

The spelling of 28936299 in words is "twenty-eight million, nine hundred thirty-six thousand, two hundred ninety-nine".

Divisors: 1 3 7 21 31 93 217 651 44449 133347 311143 933429 1377919 4133757 9645433 28936299