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47344772 = 2216017393
BaseRepresentation
bin1011010010011…
…0110010000100
310022002100211002
42310212302010
544110013042
64410432432
71113265256
oct264466204
9108070732
1047344772
11247a7912
1213a32718
139a68977
146405cd6
154253132
hex2d26c84

47344772 has 12 divisors (see below), whose sum is σ = 82916316. Its totient is φ = 23654400.

The previous prime is 47344771. The next prime is 47344799. The reversal of 47344772 is 27744374.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32103556 + 15241216 = 5666^2 + 3904^2 .

It is not an unprimeable number, because it can be changed into a prime (47344771) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2708 + ... + 10100.

It is an arithmetic number, because the mean of its divisors is an integer number (6909693).

Almost surely, 247344772 is an apocalyptic number.

It is an amenable number.

47344772 is a deficient number, since it is larger than the sum of its proper divisors (35571544).

47344772 is a wasteful number, since it uses less digits than its factorization.

47344772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8998 (or 8996 counting only the distinct ones).

The product of its digits is 131712, while the sum is 38.

The square root of 47344772 is about 6880.7537377819. The cubic root of 47344772 is about 361.7628861430.

The spelling of 47344772 in words is "forty-seven million, three hundred forty-four thousand, seven hundred seventy-two".

Divisors: 1 2 4 1601 3202 6404 7393 14786 29572 11836193 23672386 47344772