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47267993 = 179347761
BaseRepresentation
bin1011010001010…
…0000010011001
310021221110111102
42310110002121
544100033433
64405041145
71112525363
oct264240231
9107843442
1047267993
1124755163
12139b61b5
139a3ca36
1463c5d33
15423a4e8
hex2d14099

47267993 has 8 divisors (see below), whose sum is σ = 47731680. Its totient is φ = 46806880.

The previous prime is 47267977. The next prime is 47268017. The reversal of 47267993 is 39976274.

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 47267993 - 24 = 47267977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47267903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61733 + ... + 62493.

It is an arithmetic number, because the mean of its divisors is an integer number (5966460).

Almost surely, 247267993 is an apocalyptic number.

It is an amenable number.

47267993 is a deficient number, since it is larger than the sum of its proper divisors (463687).

47267993 is a wasteful number, since it uses less digits than its factorization.

47267993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287.

The product of its digits is 571536, while the sum is 47.

The square root of 47267993 is about 6875.1722160248. The cubic root of 47267993 is about 361.5672234213.

The spelling of 47267993 in words is "forty-seven million, two hundred sixty-seven thousand, nine hundred ninety-three".

Divisors: 1 179 347 761 62113 136219 264067 47267993