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47663045 = 59532609
BaseRepresentation
bin1011010111010…
…0011111000101
310022200112101222
42311310133011
544200204140
64421330125
71116062213
oct265643705
9108615358
1047663045
11249a4a51
1213b66945
139b4a7b1
146489cb3
1542b75b5
hex2d747c5

47663045 has 4 divisors (see below), whose sum is σ = 57195660. Its totient is φ = 38130432.

The previous prime is 47663041. The next prime is 47663051. The reversal of 47663045 is 54036674.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54036674 = 227018337.

It can be written as a sum of positive squares in 2 ways, for example, as 33154564 + 14508481 = 5758^2 + 3809^2 .

It is a cyclic number.

It is not a de Polignac number, because 47663045 - 22 = 47663041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47662996 and 47663014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47663041) 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, 4766300 + ... + 4766309.

It is an arithmetic number, because the mean of its divisors is an integer number (14298915).

Almost surely, 247663045 is an apocalyptic number.

It is an amenable number.

47663045 is a deficient number, since it is larger than the sum of its proper divisors (9532615).

47663045 is an equidigital number, since it uses as much as digits as its factorization.

47663045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9532614.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 47663045 is about 6903.8427705156. The cubic root of 47663045 is about 362.5717210448.

The spelling of 47663045 in words is "forty-seven million, six hundred sixty-three thousand, forty-five".

Divisors: 1 5 9532609 47663045