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47397976 = 236197127
BaseRepresentation
bin1011010011001…
…1110001011000
310022012001210121
42310303301120
544113213401
64411523024
71113606343
oct264636130
9108161717
1047397976
112483388a
1213a59474
139a86c52
14641b45a
154263ca1
hex2d33c58

47397976 has 16 divisors (see below), whose sum is σ = 90329040. Its totient is φ = 23310240.

The previous prime is 47397971. The next prime is 47398031. The reversal of 47397976 is 67979374.

47397976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47397971) by changing a digit.

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, 48076 + ... + 49051.

It is an arithmetic number, because the mean of its divisors is an integer number (5645565).

Almost surely, 247397976 is an apocalyptic number.

It is an amenable number.

47397976 is a deficient number, since it is larger than the sum of its proper divisors (42931064).

47397976 is a wasteful number, since it uses less digits than its factorization.

47397976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97194 (or 97190 counting only the distinct ones).

The product of its digits is 2000376, while the sum is 52.

The square root of 47397976 is about 6884.6187984521. The cubic root of 47397976 is about 361.8983465578.

The spelling of 47397976 in words is "forty-seven million, three hundred ninety-seven thousand, nine hundred seventy-six".

Divisors: 1 2 4 8 61 122 244 488 97127 194254 388508 777016 5924747 11849494 23698988 47397976