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47349968 = 249730509
BaseRepresentation
bin1011010010100…
…0000011010000
310022002121221112
42310220003100
544110144333
64410512452
71113316361
oct264500320
9108077845
1047349968
1124800806
1213a35728
139a6b143
146407b68
154254948
hex2d280d0

47349968 has 20 divisors (see below), whose sum is σ = 92689380. Its totient is φ = 23430144.

The previous prime is 47349931. The next prime is 47349979. The reversal of 47349968 is 86994374.

It can be written as a sum of positive squares in 2 ways, for example, as 6492304 + 40857664 = 2548^2 + 6392^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13703 + ... + 16806.

It is an arithmetic number, because the mean of its divisors is an integer number (4634469).

Almost surely, 247349968 is an apocalyptic number.

It is an amenable number.

47349968 is a deficient number, since it is larger than the sum of its proper divisors (45339412).

47349968 is a wasteful number, since it uses less digits than its factorization.

47349968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30614 (or 30608 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 47349968 is about 6881.1313023368. The cubic root of 47349968 is about 361.7761199252.

The spelling of 47349968 in words is "forty-seven million, three hundred forty-nine thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 97 194 388 776 1552 30509 61018 122036 244072 488144 2959373 5918746 11837492 23674984 47349968