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47920424 = 2311935021
BaseRepresentation
bin1011011011001…
…1010100101000
310100011121110112
42312303110220
544231423144
64431033452
71121213456
oct266632450
9110147415
1047920424
1125060362
121406b888
139c0a9a6
1465159d6
15431899e
hex2db3528

47920424 has 16 divisors (see below), whose sum is σ = 89944020. Its totient is φ = 23935360.

The previous prime is 47920409. The next prime is 47920459. The reversal of 47920424 is 42402974.

47920424 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 45131524 + 2788900 = 6718^2 + 1670^2 .

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, 7034 + ... + 12054.

Almost surely, 247920424 is an apocalyptic number.

It is an amenable number.

47920424 is a deficient number, since it is larger than the sum of its proper divisors (42023596).

47920424 is a wasteful number, since it uses less digits than its factorization.

47920424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6220 (or 6216 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 47920424 is about 6922.4579449788. The cubic root of 47920424 is about 363.2231752760.

The spelling of 47920424 in words is "forty-seven million, nine hundred twenty thousand, four hundred twenty-four".

Divisors: 1 2 4 8 1193 2386 4772 5021 9544 10042 20084 40168 5990053 11980106 23960212 47920424