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47087693 = 2318111311
BaseRepresentation
bin1011001110100…
…0000001001101
310021121022011122
42303220001031
544023301233
64401130325
71111144622
oct263500115
9107538148
1047087693
1124641754
12139299a5
1399a8953
14637a349
154201d98
hex2ce804d

47087693 has 8 divisors (see below), whose sum is σ = 49410816. Its totient is φ = 44787600.

The previous prime is 47087683. The next prime is 47087699. The reversal of 47087693 is 39678074.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47087693 - 218 = 46825549 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 (47087699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1493 + ... + 9818.

It is an arithmetic number, because the mean of its divisors is an integer number (6176352).

Almost surely, 247087693 is an apocalyptic number.

It is an amenable number.

47087693 is a deficient number, since it is larger than the sum of its proper divisors (2323123).

47087693 is a wasteful number, since it uses less digits than its factorization.

47087693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11515.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 47087693 is about 6862.0472892570. The cubic root of 47087693 is about 361.1069145145.

The spelling of 47087693 in words is "forty-seven million, eighty-seven thousand, six hundred ninety-three".

Divisors: 1 23 181 4163 11311 260153 2047291 47087693