Search a number
-
+
47130555 = 355575641
BaseRepresentation
bin1011001111001…
…0011110111011
310021200110222010
42303302132323
544031134210
64402101003
71111413603
oct263623673
9107613863
1047130555
112467097a
121394a763
1399c2304
14638bc03
15420e920
hex2cf27bb

47130555 has 16 divisors (see below), whose sum is σ = 75557664. Its totient is φ = 25086720.

The previous prime is 47130553. The next prime is 47130569. The reversal of 47130555 is 55503174.

It is not a de Polignac number, because 47130555 - 21 = 47130553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47130553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5535 + ... + 11175.

It is an arithmetic number, because the mean of its divisors is an integer number (4722354).

Almost surely, 247130555 is an apocalyptic number.

47130555 is a deficient number, since it is larger than the sum of its proper divisors (28427109).

47130555 is a wasteful number, since it uses less digits than its factorization.

47130555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6206.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 47130555 is about 6865.1696992864. The cubic root of 47130555 is about 361.2164482355.

The spelling of 47130555 in words is "forty-seven million, one hundred thirty thousand, five hundred fifty-five".

Divisors: 1 3 5 15 557 1671 2785 5641 8355 16923 28205 84615 3142037 9426111 15710185 47130555