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28754112 = 263314831
BaseRepresentation
bin110110110110…
…0000011000000
32000002212020010
41231230003000
524330112422
62504144520
7466256142
oct155540300
960085203
1028754112
111525a432
129768140
135c59b8a
143b66c92
1527ceb0c
hex1b6c0c0

28754112 has 56 divisors (see below), whose sum is σ = 78548992. Its totient is φ = 9273600.

The previous prime is 28754111. The next prime is 28754113. The reversal of 28754112 is 21145782.

It is an interprime number because it is at equal distance from previous prime (28754111) and next prime (28754113).

It is a self number, because there is not a number n which added to its sum of digits gives 28754112.

It is not an unprimeable number, because it can be changed into a prime (28754111) 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, 3537 + ... + 8367.

Almost surely, 228754112 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 28754112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39274496).

28754112 is an abundant number, since it is smaller than the sum of its proper divisors (49794880).

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

28754112 is a wasteful number, since it uses less digits than its factorization.

28754112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4877 (or 4867 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 28754112 is about 5362.2860796492. The cubic root of 28754112 is about 306.3608882352.

Adding to 28754112 its reverse (21145782), we get a palindrome (49899894).

The spelling of 28754112 in words is "twenty-eight million, seven hundred fifty-four thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 64 93 96 124 186 192 248 372 496 744 992 1488 1984 2976 4831 5952 9662 14493 19324 28986 38648 57972 77296 115944 149761 154592 231888 299522 309184 449283 463776 599044 898566 927552 1198088 1797132 2396176 3594264 4792352 7188528 9584704 14377056 28754112