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28868802 = 238835449
BaseRepresentation
bin110111000100…
…0000011000010
32000022200112220
41232020003002
524342300202
62510431510
7500244414
oct156100302
960280486
1028868802
1115328616
129802596
135c9a141
143b969b4
152803abc
hex1b880c2

28868802 has 16 divisors (see below), whose sum is σ = 57813600. Its totient is φ = 9610272.

The previous prime is 28868779. The next prime is 28868803. The reversal of 28868802 is 20886882.

It is not an unprimeable number, because it can be changed into a prime (28868803) 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, 2574 + ... + 8022.

It is an arithmetic number, because the mean of its divisors is an integer number (3613350).

Almost surely, 228868802 is an apocalyptic number.

28868802 is an abundant number, since it is smaller than the sum of its proper divisors (28944798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28868802 is a wasteful number, since it uses less digits than its factorization.

28868802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6337.

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 28868802 is about 5372.9695699864. The cubic root of 28868802 is about 306.7676696813.

It can be divided in two parts, 2886880 and 2, that added together give a palindrome (2886882).

The spelling of 28868802 in words is "twenty-eight million, eight hundred sixty-eight thousand, eight hundred two".

Divisors: 1 2 3 6 883 1766 2649 5298 5449 10898 16347 32694 4811467 9622934 14434401 28868802