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47001013 = 132735419
BaseRepresentation
bin1011001101001…
…0110110110101
310021102220021021
42303102312311
544013013023
64355221141
71110334123
oct263226665
9107386237
1047001013
1124592614
12138a77b1
139978367
146356913
1541d635d
hex2cd2db5

47001013 has 4 divisors (see below), whose sum is σ = 47037760. Its totient is φ = 46964268.

The previous prime is 47000963. The next prime is 47001037. The reversal of 47001013 is 31010074.

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.

It is a cyclic number.

It is not a de Polignac number, because 47001013 - 29 = 47000501 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 (47001313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16383 + ... + 19036.

It is an arithmetic number, because the mean of its divisors is an integer number (11759440).

Almost surely, 247001013 is an apocalyptic number.

It is an amenable number.

47001013 is a deficient number, since it is larger than the sum of its proper divisors (36747).

47001013 is a wasteful number, since it uses less digits than its factorization.

47001013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36746.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 47001013 is about 6855.7284806212. The cubic root of 47001013 is about 360.8852007192.

Adding to 47001013 its reverse (31010074), we get a palindrome (78011087).

The spelling of 47001013 in words is "forty-seven million, one thousand, thirteen".

Divisors: 1 1327 35419 47001013