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47365042 = 223682521
BaseRepresentation
bin1011010010101…
…1101110110010
310022010101121211
42310223232302
544111140132
64411110334
71113411334
oct264535662
9108111554
1047365042
112481106a
1213a423aa
139a74c6a
14640d454
154259147
hex2d2bbb2

47365042 has 4 divisors (see below), whose sum is σ = 71047566. Its totient is φ = 23682520.

The previous prime is 47365039. The next prime is 47365099. The reversal of 47365042 is 24056374.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24056374 = 212028187.

It can be written as a sum of positive squares in only one way, i.e., 25190361 + 22174681 = 5019^2 + 4709^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 47364995 and 47365013.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11841259 + ... + 11841262.

Almost surely, 247365042 is an apocalyptic number.

47365042 is a deficient number, since it is larger than the sum of its proper divisors (23682524).

47365042 is a wasteful number, since it uses less digits than its factorization.

47365042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23682523.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 47365042 is about 6882.2265292564. The cubic root of 47365042 is about 361.8145066785.

The spelling of 47365042 in words is "forty-seven million, three hundred sixty-five thousand, forty-two".

Divisors: 1 2 23682521 47365042