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4161243 = 317139587
BaseRepresentation
bin1111110111111011011011
321211102011010
433313323123
52031124433
6225105003
750240622
oct17677333
97742133
104161243
112392449
121488163
13b29098
147a46b9
15572e63
hex3f7edb

4161243 has 16 divisors (see below), whose sum is σ = 5927040. Its totient is φ = 2587776.

The previous prime is 4161233. The next prime is 4161251. The reversal of 4161243 is 3421614.

It is not a de Polignac number, because 4161243 - 28 = 4160987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4161233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6796 + ... + 7382.

It is an arithmetic number, because the mean of its divisors is an integer number (370440).

Almost surely, 24161243 is an apocalyptic number.

4161243 is a deficient number, since it is larger than the sum of its proper divisors (1765797).

4161243 is a wasteful number, since it uses less digits than its factorization.

4161243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746.

The product of its digits is 576, while the sum is 21.

The square root of 4161243 is about 2039.9124981234. The cubic root of 4161243 is about 160.8450472167.

Adding to 4161243 its reverse (3421614), we get a palindrome (7582857).

The spelling of 4161243 in words is "four million, one hundred sixty-one thousand, two hundred forty-three".

Divisors: 1 3 17 51 139 417 587 1761 2363 7089 9979 29937 81593 244779 1387081 4161243