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28834232 = 2371034999
BaseRepresentation
bin110110111111…
…1100110111000
32000020221010112
41231333212320
524340143412
62510003452
7500041550
oct155774670
960227115
1028834232
1115304649
1297a6588
135c8749b
143b88160
1527e8722
hex1b7f9b8

28834232 has 32 divisors (see below), whose sum is σ = 62400000. Its totient is φ = 12235104.

The previous prime is 28834231. The next prime is 28834243. The reversal of 28834232 is 23243882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28834231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3269 + ... + 8267.

It is an arithmetic number, because the mean of its divisors is an integer number (1950000).

Almost surely, 228834232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28834232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31200000).

28834232 is an abundant number, since it is smaller than the sum of its proper divisors (33565768).

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

28834232 is a wasteful number, since it uses less digits than its factorization.

28834232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5115 (or 5111 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 28834232 is about 5369.7515771216. The cubic root of 28834232 is about 306.6451707260.

The spelling of 28834232 in words is "twenty-eight million, eight hundred thirty-four thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 103 206 412 721 824 1442 2884 4999 5768 9998 19996 34993 39992 69986 139972 279944 514897 1029794 2059588 3604279 4119176 7208558 14417116 28834232