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47140272 = 2433109121
BaseRepresentation
bin1011001111010…
…0110110110000
310021200222022000
42303310312300
544031442042
64402214000
71111454124
oct263646660
9107628260
1047140272
1124678203
1213954300
1399c686a
146391584
15421274c
hex2cf4db0

47140272 has 40 divisors (see below), whose sum is σ = 135311280. Its totient is φ = 15713280.

The previous prime is 47140253. The next prime is 47140307. The reversal of 47140272 is 27204174.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54129 + ... + 54992.

It is an arithmetic number, because the mean of its divisors is an integer number (3382782).

Almost surely, 247140272 is an apocalyptic number.

It is an amenable number.

47140272 is an abundant number, since it is smaller than the sum of its proper divisors (88171008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47140272 is a wasteful number, since it uses less digits than its factorization.

47140272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109138 (or 109126 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 47140272 is about 6865.8773656394. The cubic root of 47140272 is about 361.2412707668.

The spelling of 47140272 in words is "forty-seven million, one hundred forty thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 109121 218242 327363 436484 654726 872968 982089 1309452 1745936 1964178 2618904 2946267 3928356 5237808 5892534 7856712 11785068 15713424 23570136 47140272