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47071701 = 325230189
BaseRepresentation
bin1011001110010…
…0000111010101
310021120111020100
42303210013111
544022243301
64400524313
71111050165
oct263440725
9107514210
1047071701
1124630736
1213920699
1399a15a1
1463745a5
1541ec286
hex2ce41d5

47071701 has 6 divisors (see below), whose sum is σ = 67992470. Its totient is φ = 31381128.

The previous prime is 47071697. The next prime is 47071709. The reversal of 47071701 is 10717074.

47071701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 43362225 + 3709476 = 6585^2 + 1926^2 .

It is not a de Polignac number, because 47071701 - 22 = 47071697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47071709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2615086 + ... + 2615103.

Almost surely, 247071701 is an apocalyptic number.

It is an amenable number.

47071701 is a deficient number, since it is larger than the sum of its proper divisors (20920769).

47071701 is a wasteful number, since it uses less digits than its factorization.

47071701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5230195 (or 5230192 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 27.

The square root of 47071701 is about 6860.8819403922. The cubic root of 47071701 is about 361.0660299769.

Adding to 47071701 its reverse (10717074), we get a palindrome (57788775).

The spelling of 47071701 in words is "forty-seven million, seventy-one thousand, seven hundred one".

Divisors: 1 3 9 5230189 15690567 47071701