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28463112 = 2332395321
BaseRepresentation
bin110110010010…
…1000000001000
31222120002001100
41230211000020
524241304422
62454021400
7463634556
oct154450010
958502040
1028463112
1115080837
129647860
135b875a2
143accbd6
1527737ac
hex1b25008

28463112 has 24 divisors (see below), whose sum is σ = 77087790. Its totient is φ = 9487680.

The previous prime is 28463077. The next prime is 28463129. The reversal of 28463112 is 21136482.

28463112 is a `hidden beast` number, since 28 + 4 + 631 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23561316 + 4901796 = 4854^2 + 2214^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197589 + ... + 197732.

Almost surely, 228463112 is an apocalyptic number.

It is an amenable number.

28463112 is an abundant number, since it is smaller than the sum of its proper divisors (48624678).

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

28463112 is a wasteful number, since it uses less digits than its factorization.

28463112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395333 (or 395326 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 28463112 is about 5335.0831296241. The cubic root of 28463112 is about 305.3238949217.

Adding to 28463112 its reverse (21136482), we get a palindrome (49599594).

The spelling of 28463112 in words is "twenty-eight million, four hundred sixty-three thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 395321 790642 1185963 1581284 2371926 3162568 3557889 4743852 7115778 9487704 14231556 28463112