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47252838 = 2357713649
BaseRepresentation
bin1011010001000…
…0010101100110
310021220200201010
42310100111212
544044042323
64404443050
71112433243
oct264202546
9107820633
1047252838
1124744836
12139a9486
139a35b79
1463c05ca
154235c93
hex2d10566

47252838 has 16 divisors (see below), whose sum is σ = 94676400. Its totient is φ = 15722496.

The previous prime is 47252801. The next prime is 47252851. The reversal of 47252838 is 83825274.

It is a junction number, because it is equal to n+sod(n) for n = 47252796 and 47252805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3363 + ... + 10286.

It is an arithmetic number, because the mean of its divisors is an integer number (5917275).

Almost surely, 247252838 is an apocalyptic number.

47252838 is an abundant number, since it is smaller than the sum of its proper divisors (47423562).

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

47252838 is a wasteful number, since it uses less digits than its factorization.

47252838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14231.

The product of its digits is 107520, while the sum is 39.

The square root of 47252838 is about 6874.0699734582. The cubic root of 47252838 is about 361.5285775594.

The spelling of 47252838 in words is "forty-seven million, two hundred fifty-two thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 577 1154 1731 3462 13649 27298 40947 81894 7875473 15750946 23626419 47252838