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47081375 = 531197353
BaseRepresentation
bin1011001110011…
…0011110011111
310021120222111122
42303212132133
544023101000
64401041155
71111120325
oct263463637
9107528448
1047081375
1124637a30
12139261bb
1399a5b03
146377d15
154200085
hex2ce679f

47081375 has 32 divisors (see below), whose sum is σ = 64943424. Its totient is φ = 33792000.

The previous prime is 47081371. The next prime is 47081383. The reversal of 47081375 is 57318074.

It is not a de Polignac number, because 47081375 - 22 = 47081371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47081371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133199 + ... + 133551.

It is an arithmetic number, because the mean of its divisors is an integer number (2029482).

Almost surely, 247081375 is an apocalyptic number.

47081375 is a deficient number, since it is larger than the sum of its proper divisors (17862049).

47081375 is a wasteful number, since it uses less digits than its factorization.

47081375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 47081375 is about 6861.5869155757. The cubic root of 47081375 is about 361.0907632628.

The spelling of 47081375 in words is "forty-seven million, eighty-one thousand, three hundred seventy-five".

Divisors: 1 5 11 25 55 97 125 275 353 485 1067 1375 1765 2425 3883 5335 8825 12125 19415 26675 34241 44125 97075 133375 171205 376651 485375 856025 1883255 4280125 9416275 47081375