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30044856 = 2331251869
BaseRepresentation
bin111001010011…
…1001010111000
32002112102210110
41302213022320
530142413411
62551544320
7513243222
oct162471270
962472713
1030044856
1115a61166
12a08b0a0
1362bc52a
143dc1412
1529872a6
hex1ca72b8

30044856 has 16 divisors (see below), whose sum is σ = 75112200. Its totient is φ = 10014944.

The previous prime is 30044849. The next prime is 30044893. The reversal of 30044856 is 65844003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625911 + ... + 625958.

Almost surely, 230044856 is an apocalyptic number.

It is an amenable number.

30044856 is an abundant number, since it is smaller than the sum of its proper divisors (45067344).

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

30044856 is a wasteful number, since it uses less digits than its factorization.

30044856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251878 (or 1251874 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 30044856 is about 5481.3188194083. The cubic root of 30044856 is about 310.8780379431.

Adding to 30044856 its reverse (65844003), we get a palindrome (95888859).

The spelling of 30044856 in words is "thirty million, forty-four thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 24 1251869 2503738 3755607 5007476 7511214 10014952 15022428 30044856