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47428575 = 352632381
BaseRepresentation
bin1011010011101…
…1001111011111
310022020121202220
42310323033133
544120203300
64412320423
71114064505
oct264731737
9108217686
1047428575
1124854877
1213a73113
139a97b5c
146428675
15426cda0
hex2d3b3df

47428575 has 12 divisors (see below), whose sum is σ = 78415368. Its totient is φ = 25295200.

The previous prime is 47428573. The next prime is 47428609. The reversal of 47428575 is 57582474.

It is not a de Polignac number, because 47428575 - 21 = 47428573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47428571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316116 + ... + 316265.

It is an arithmetic number, because the mean of its divisors is an integer number (6534614).

Almost surely, 247428575 is an apocalyptic number.

47428575 is a deficient number, since it is larger than the sum of its proper divisors (30986793).

47428575 is a wasteful number, since it uses less digits than its factorization.

47428575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632394 (or 632389 counting only the distinct ones).

The product of its digits is 313600, while the sum is 42.

The square root of 47428575 is about 6886.8407125474. The cubic root of 47428575 is about 361.9762074449.

The spelling of 47428575 in words is "forty-seven million, four hundred twenty-eight thousand, five hundred seventy-five".

Divisors: 1 3 5 15 25 75 632381 1897143 3161905 9485715 15809525 47428575