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28526112 = 2532372677
BaseRepresentation
bin110110011010…
…0011000100000
31222200021110200
41230310120200
524300313422
62455225200
7464316336
oct154643040
958607420
1028526112
11151140aa
129678200
135baa174
143b07b56
1527872ac
hex1b34620

28526112 has 72 divisors (see below), whose sum is σ = 83344716. Its totient is φ = 9248256.

The previous prime is 28526089. The next prime is 28526123. The reversal of 28526112 is 21162582.

It is a happy number.

28526112 is a `hidden beast` number, since 28 + 526 + 112 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28259856 + 266256 = 5316^2 + 516^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9318 + ... + 11994.

Almost surely, 228526112 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 28526112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41672358).

28526112 is an abundant number, since it is smaller than the sum of its proper divisors (54818604).

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

28526112 is a wasteful number, since it uses less digits than its factorization.

28526112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730 (or 2719 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 28526112 is about 5340.9841789693. The cubic root of 28526112 is about 305.5489959926.

Adding to 28526112 its reverse (21162582), we get a palindrome (49688694).

The spelling of 28526112 in words is "twenty-eight million, five hundred twenty-six thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 37 48 72 74 96 111 144 148 222 288 296 333 444 592 666 888 1184 1332 1776 2664 2677 3552 5328 5354 8031 10656 10708 16062 21416 24093 32124 42832 48186 64248 85664 96372 99049 128496 192744 198098 256992 297147 385488 396196 594294 770976 792392 891441 1188588 1584784 1782882 2377176 3169568 3565764 4754352 7131528 9508704 14263056 28526112