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47728375 = 5331109113
BaseRepresentation
bin1011011000010…
…0011011110111
310022210212000121
42312010123313
544204302000
64422552411
71116453532
oct266043367
9108725017
1047728375
1124a3a042
1213b98707
139b71456
1464a5a19
1542cbb1a
hex2d846f7

47728375 has 32 divisors (see below), whose sum is σ = 62599680. Its totient is φ = 36288000.

The previous prime is 47728337. The next prime is 47728397. The reversal of 47728375 is 57382774.

It is not a de Polignac number, because 47728375 - 215 = 47695607 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 422319 + ... + 422431.

It is an arithmetic number, because the mean of its divisors is an integer number (1956240).

Almost surely, 247728375 is an apocalyptic number.

47728375 is a deficient number, since it is larger than the sum of its proper divisors (14871305).

47728375 is a wasteful number, since it uses less digits than its factorization.

47728375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 258 counting only the distinct ones).

The product of its digits is 329280, while the sum is 43.

The square root of 47728375 is about 6908.5725732600. The cubic root of 47728375 is about 362.7373000348.

The spelling of 47728375 in words is "forty-seven million, seven hundred twenty-eight thousand, three hundred seventy-five".

Divisors: 1 5 25 31 109 113 125 155 545 565 775 2725 2825 3379 3503 3875 12317 13625 14125 16895 17515 61585 84475 87575 307925 381827 422375 437875 1539625 1909135 9545675 47728375