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47144101 = 89529709
BaseRepresentation
bin1011001111010…
…1110010100101
310021201011112211
42303311302211
544032102401
64402243421
71111501234
oct263656245
9107634484
1047144101
1124680074
1213956571
1399c8524
146392b1b
154213951
hex2cf5ca5

47144101 has 4 divisors (see below), whose sum is σ = 47673900. Its totient is φ = 46614304.

The previous prime is 47144099. The next prime is 47144107. The reversal of 47144101 is 10144174.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8381025 + 38763076 = 2895^2 + 6226^2 .

It is a cyclic number.

It is not a de Polignac number, because 47144101 - 21 = 47144099 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 (47144107) 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, 264766 + ... + 264943.

It is an arithmetic number, because the mean of its divisors is an integer number (11918475).

Almost surely, 247144101 is an apocalyptic number.

It is an amenable number.

47144101 is a deficient number, since it is larger than the sum of its proper divisors (529799).

47144101 is an equidigital number, since it uses as much as digits as its factorization.

47144101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529798.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 47144101 is about 6866.1562027091. The cubic root of 47144101 is about 361.2510511897.

Adding to 47144101 its reverse (10144174), we get a palindrome (57288275).

The spelling of 47144101 in words is "forty-seven million, one hundred forty-four thousand, one hundred one".

Divisors: 1 89 529709 47144101