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28825118 = 272389519
BaseRepresentation
bin110110111110…
…1011000011110
32000020110121222
41231331120132
524334400433
62505453342
7500003150
oct155753036
960213558
1028825118
11152a8813
1297a1252
135c832aa
143b84ad0
1527e5b98
hex1b7d61e

28825118 has 16 divisors (see below), whose sum is σ = 51563520. Its totient is φ = 11816376.

The previous prime is 28825117. The next prime is 28825157. The reversal of 28825118 is 81152882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28825117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44438 + ... + 45081.

It is an arithmetic number, because the mean of its divisors is an integer number (3222720).

Almost surely, 228825118 is an apocalyptic number.

28825118 is a deficient number, since it is larger than the sum of its proper divisors (22738402).

28825118 is a wasteful number, since it uses less digits than its factorization.

28825118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89551.

The product of its digits is 10240, while the sum is 35.

The square root of 28825118 is about 5368.9028674395. The cubic root of 28825118 is about 306.6128589169.

It can be divided in two parts, 2882 and 5118, that added together give a cube (8000 = 203).

The spelling of 28825118 in words is "twenty-eight million, eight hundred twenty-five thousand, one hundred eighteen".

Divisors: 1 2 7 14 23 46 161 322 89519 179038 626633 1253266 2058937 4117874 14412559 28825118