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52047667 = 731239851
BaseRepresentation
bin1100011010001…
…0111100110011
310121221021222101
43012202330303
5101311011132
65055321231
71201253320
oct306427463
9117837871
1052047667
112741a201
1215520217
13aa24449
146cabb47
1548817e7
hex31a2f33

52047667 has 8 divisors (see below), whose sum is σ = 61402112. Its totient is φ = 43173000.

The previous prime is 52047647. The next prime is 52047679. The reversal of 52047667 is 76674025.

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 52047667 - 223 = 43659059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52047607) 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, 119709 + ... + 120142.

It is an arithmetic number, because the mean of its divisors is an integer number (7675264).

Almost surely, 252047667 is an apocalyptic number.

52047667 is a deficient number, since it is larger than the sum of its proper divisors (9354445).

52047667 is a wasteful number, since it uses less digits than its factorization.

52047667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239889.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 52047667 is about 7214.4069056299. The cubic root of 52047667 is about 373.3651306002.

The spelling of 52047667 in words is "fifty-two million, forty-seven thousand, six hundred sixty-seven".

Divisors: 1 7 31 217 239851 1678957 7435381 52047667