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47272436 = 2229407521
BaseRepresentation
bin1011010001010…
…1000111110100
310021221200120222
42310111013310
544100204221
64405113512
71112544341
oct264250764
9107850528
1047272436
1124758532
12139b8898
139a41a73
1463c77c8
15423b9ab
hex2d151f4

47272436 has 12 divisors (see below), whose sum is σ = 85579620. Its totient is φ = 22821120.

The previous prime is 47272417. The next prime is 47272451. The reversal of 47272436 is 63427274.

47272436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37699600 + 9572836 = 6140^2 + 3094^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47272396 and 47272405.

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, 203645 + ... + 203876.

It is an arithmetic number, because the mean of its divisors is an integer number (7131635).

Almost surely, 247272436 is an apocalyptic number.

It is an amenable number.

47272436 is a deficient number, since it is larger than the sum of its proper divisors (38307184).

47272436 is a wasteful number, since it uses less digits than its factorization.

47272436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407554 (or 407552 counting only the distinct ones).

The product of its digits is 56448, while the sum is 35.

The square root of 47272436 is about 6875.4953276109. The cubic root of 47272436 is about 361.5785516848.

The spelling of 47272436 in words is "forty-seven million, two hundred seventy-two thousand, four hundred thirty-six".

Divisors: 1 2 4 29 58 116 407521 815042 1630084 11818109 23636218 47272436