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47228625 = 325341981
BaseRepresentation
bin1011010000101…
…0011011010001
310021212110111100
42310022123101
544042304000
64404135013
71112302533
oct264123321
9107773440
1047228625
1124728624
1213997469
139a27b42
1463b5853
15422da00
hex2d0a6d1

47228625 has 24 divisors (see below), whose sum is σ = 85139496. Its totient is φ = 25188000.

The previous prime is 47228603. The next prime is 47228627. The reversal of 47228625 is 52682274.

47228625 is a `hidden beast` number, since 4 + 7 + 2 + 28 + 625 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12194064 + 35034561 = 3492^2 + 5919^2 .

It is not a de Polignac number, because 47228625 - 28 = 47228369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47228625.

It is not an unprimeable number, because it can be changed into a prime (47228627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19866 + ... + 22115.

It is an arithmetic number, because the mean of its divisors is an integer number (3547479).

Almost surely, 247228625 is an apocalyptic number.

47228625 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47228625 is a deficient number, since it is larger than the sum of its proper divisors (37910871).

47228625 is a wasteful number, since it uses less digits than its factorization.

47228625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42002 (or 41989 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 47228625 is about 6872.3085640853. The cubic root of 47228625 is about 361.4668162810.

The spelling of 47228625 in words is "forty-seven million, two hundred twenty-eight thousand, six hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 125 225 375 1125 41981 125943 209905 377829 629715 1049525 1889145 3148575 5247625 9445725 15742875 47228625