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47500083 = 3223229469
BaseRepresentation
bin1011010100110…
…0101100110011
310022101020212100
42311030230303
544130000313
64414031443
71114513131
oct265145463
9108336770
1047500083
11248a3574
1213aa8583
139ac1577
146446751
154284173
hex2d4cb33

47500083 has 12 divisors (see below), whose sum is σ = 71594640. Its totient is φ = 30289776.

The previous prime is 47500081. The next prime is 47500139. The reversal of 47500083 is 38000574.

It is not a de Polignac number, because 47500083 - 21 = 47500081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47500081) 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, 114528 + ... + 114941.

It is an arithmetic number, because the mean of its divisors is an integer number (5966220).

Almost surely, 247500083 is an apocalyptic number.

47500083 is a deficient number, since it is larger than the sum of its proper divisors (24094557).

47500083 is a wasteful number, since it uses less digits than its factorization.

47500083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229498 (or 229495 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 47500083 is about 6892.0303974954. The cubic root of 47500083 is about 362.1580331130.

The spelling of 47500083 in words is "forty-seven million, five hundred thousand, eighty-three".

Divisors: 1 3 9 23 69 207 229469 688407 2065221 5277787 15833361 47500083