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4161272 = 231493491
BaseRepresentation
bin1111110111111011111000
321211102012012
433313323320
52031130042
6225105052
750240663
oct17677370
97742165
104161272
112392475
121488188
13b290bb
147a46da
15572e82
hex3f7ef8

4161272 has 16 divisors (see below), whose sum is σ = 7857000. Its totient is φ = 2066080.

The previous prime is 4161271. The next prime is 4161299. The reversal of 4161272 is 2721614.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161271) 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 3 ways as a sum of consecutive naturals, for example, 554 + ... + 2937.

Almost surely, 24161272 is an apocalyptic number.

It is an amenable number.

4161272 is a deficient number, since it is larger than the sum of its proper divisors (3695728).

4161272 is a wasteful number, since it uses less digits than its factorization.

4161272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646 (or 3642 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 4161272 is about 2039.9196062590. The cubic root of 4161272 is about 160.8454208627.

Adding to 4161272 its reverse (2721614), we get a palindrome (6882886).

It can be divided in two parts, 41 and 61272, that multiplied together give a palindrome (2512152).

The spelling of 4161272 in words is "four million, one hundred sixty-one thousand, two hundred seventy-two".

Divisors: 1 2 4 8 149 298 596 1192 3491 6982 13964 27928 520159 1040318 2080636 4161272