Search a number
-
+
47441145 = 353162743
BaseRepresentation
bin1011010011111…
…0010011111001
310022021021000110
42310332103321
544121104040
64412454533
71114146243
oct264762371
9108237013
1047441145
1124863264
1213a7a449
139aa07ab
14642d093
154271980
hex2d3e4f9

47441145 has 8 divisors (see below), whose sum is σ = 75905856. Its totient is φ = 25301936.

The previous prime is 47441143. The next prime is 47441171. The reversal of 47441145 is 54114474.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47441145 - 21 = 47441143 is a prime.

It is a super-2 number, since 2×474411452 = 4501324477822050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47441143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1581357 + ... + 1581386.

It is an arithmetic number, because the mean of its divisors is an integer number (9488232).

Almost surely, 247441145 is an apocalyptic number.

It is an amenable number.

47441145 is a deficient number, since it is larger than the sum of its proper divisors (28464711).

47441145 is a wasteful number, since it uses less digits than its factorization.

47441145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3162751.

The product of its digits is 8960, while the sum is 30.

The square root of 47441145 is about 6887.7532621313. The cubic root of 47441145 is about 362.0081828172.

It can be divided in two parts, 47441 and 145, that added together give a triangular number (47586 = T308).

The spelling of 47441145 in words is "forty-seven million, four hundred forty-one thousand, one hundred forty-five".

Divisors: 1 3 5 15 3162743 9488229 15813715 47441145