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28741166 = 2101263541
BaseRepresentation
bin110110110100…
…0111000101110
32000002012110122
41231220320232
524324204131
62504004542
7466203326
oct155507056
960065418
1028741166
1115250733
129760752
135c5400c
143b62286
1527cad7b
hex1b68e2e

28741166 has 16 divisors (see below), whose sum is σ = 43784928. Its totient is φ = 14148000.

The previous prime is 28741133. The next prime is 28741177. The reversal of 28741166 is 66114782.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52856 + ... + 53396.

It is an arithmetic number, because the mean of its divisors is an integer number (2736558).

Almost surely, 228741166 is an apocalyptic number.

28741166 is a deficient number, since it is larger than the sum of its proper divisors (15043762).

28741166 is a wasteful number, since it uses less digits than its factorization.

28741166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907.

The product of its digits is 16128, while the sum is 35.

The square root of 28741166 is about 5361.0788093443. The cubic root of 28741166 is about 306.3149035840.

The spelling of 28741166 in words is "twenty-eight million, seven hundred forty-one thousand, one hundred sixty-six".

Divisors: 1 2 101 202 263 526 541 1082 26563 53126 54641 109282 142283 284566 14370583 28741166