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47077 = 179263
BaseRepresentation
bin1011011111100101
32101120121
423133211
53001302
61001541
7254152
oct133745
971517
1047077
1132408
12232b1
1318574
1413229
15de37
hexb7e5

47077 has 4 divisors (see below), whose sum is σ = 47520. Its totient is φ = 46636.

The previous prime is 47059. The next prime is 47087. The reversal of 47077 is 77074.

47077 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47077 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 (47017) 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 3 ways as a sum of consecutive naturals, for example, 48 + ... + 310.

It is an arithmetic number, because the mean of its divisors is an integer number (11880).

247077 is an apocalyptic number.

It is an amenable number.

47077 is a deficient number, since it is larger than the sum of its proper divisors (443).

47077 is a wasteful number, since it uses less digits than its factorization.

47077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442.

The product of its (nonzero) digits is 1372, while the sum is 25.

The square root of 47077 is about 216.9723484686. The cubic root of 47077 is about 36.1079578224.

The spelling of 47077 in words is "forty-seven thousand, seventy-seven", and thus it is an iban number.

Divisors: 1 179 263 47077