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28883466 = 235103577
BaseRepresentation
bin110111000101…
…1101000001010
32000100102200000
41232023220022
524343232331
62511023430
7500335233
oct156135012
960312600
1028883466
1115338637
12980ab76
135ca3a11
143b9c08a
1528080e6
hex1b8ba0a

28883466 has 48 divisors (see below), whose sum is σ = 65642304. Its totient is φ = 9517824.

The previous prime is 28883453. The next prime is 28883479. The reversal of 28883466 is 66438882.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28883453) and next prime (28883479).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49770 + ... + 50346.

It is an arithmetic number, because the mean of its divisors is an integer number (1367548).

Almost surely, 228883466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28883466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32821152).

28883466 is an abundant number, since it is smaller than the sum of its proper divisors (36758838).

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

28883466 is a wasteful number, since it uses less digits than its factorization.

28883466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 685 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 28883466 is about 5374.3340052513. The cubic root of 28883466 is about 306.8196020944.

The spelling of 28883466 in words is "twenty-eight million, eight hundred eighty-three thousand, four hundred sixty-six".

Divisors: 1 2 3 6 9 18 27 54 81 103 162 206 243 309 486 577 618 927 1154 1731 1854 2781 3462 5193 5562 8343 10386 15579 16686 25029 31158 46737 50058 59431 93474 118862 140211 178293 280422 356586 534879 1069758 1604637 3209274 4813911 9627822 14441733 28883466