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28869466 = 2113139919
BaseRepresentation
bin110111000100…
…0001101011010
32000022201110111
41232020031122
524342310331
62510434534
7500246353
oct156101532
960281414
1028869466
111532906a
129802a4a
135c9a532
143b96d2a
152803db1
hex1b8835a

28869466 has 16 divisors (see below), whose sum is σ = 44049600. Its totient is φ = 14188608.

The previous prime is 28869461. The next prime is 28869481. The reversal of 28869466 is 66496882.

It is not an unprimeable number, because it can be changed into a prime (28869461) 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, 30955 + ... + 31873.

It is an arithmetic number, because the mean of its divisors is an integer number (2753100).

Almost surely, 228869466 is an apocalyptic number.

28869466 is a deficient number, since it is larger than the sum of its proper divisors (15180134).

28869466 is a wasteful number, since it uses less digits than its factorization.

28869466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173.

The product of its digits is 995328, while the sum is 49.

The square root of 28869466 is about 5373.0313604147. The cubic root of 28869466 is about 306.7700216109.

The spelling of 28869466 in words is "twenty-eight million, eight hundred sixty-nine thousand, four hundred sixty-six".

Divisors: 1 2 113 139 226 278 919 1838 15707 31414 103847 127741 207694 255482 14434733 28869466