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30112844 = 227528211
BaseRepresentation
bin111001011011…
…1110001001100
32002122220001112
41302313301030
530202102334
62553231152
7513645356
oct162676114
962586045
1030112844
1115aa8253
12a1024b8
136314468
143ddc0d6
15299c4ce
hex1cb7c4c

30112844 has 6 divisors (see below), whose sum is σ = 52697484. Its totient is φ = 15056420.

The previous prime is 30112837. The next prime is 30112877. The reversal of 30112844 is 44821103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3764102 + ... + 3764109.

It is an arithmetic number, because the mean of its divisors is an integer number (8782914).

Almost surely, 230112844 is an apocalyptic number.

It is an amenable number.

30112844 is a deficient number, since it is larger than the sum of its proper divisors (22584640).

30112844 is a wasteful number, since it uses less digits than its factorization.

30112844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7528215 (or 7528213 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 30112844 is about 5487.5171070348. The cubic root of 30112844 is about 311.1123548514.

Adding to 30112844 its reverse (44821103), we get a palindrome (74933947).

The spelling of 30112844 in words is "thirty million, one hundred twelve thousand, eight hundred forty-four".

Divisors: 1 2 4 7528211 15056422 30112844