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47074 = 223537
BaseRepresentation
bin1011011111100010
32101120111
423133202
53001244
61001534
7254146
oct133742
971514
1047074
1132405
12232aa
1318571
1413226
15de34
hexb7e2

47074 has 4 divisors (see below), whose sum is σ = 70614. Its totient is φ = 23536.

The previous prime is 47059. The next prime is 47087.

It is a happy number.

47074 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42849 + 4225 = 207^2 + 65^2 .

It is a super-2 number, since 2×470742 = 4431922952, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11767 + ... + 11770.

247074 is an apocalyptic number.

47074 is a deficient number, since it is larger than the sum of its proper divisors (23540).

47074 is a wasteful number, since it uses less digits than its factorization.

47074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23539.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 47074 is about 216.9654350352. The cubic root of 47074 is about 36.1071908083.

The spelling of 47074 in words is "forty-seven thousand, seventy-four", and thus it is an iban number.

Divisors: 1 2 23537 47074