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4052169 = 32112612
BaseRepresentation
bin1111011101010011001001
321121212112100
433131103021
52014132134
6222504013
746304622
oct17352311
97555470
104052169
112318500
121435009
13abb544
14776a49
15550999
hex3dd4c9

4052169 has 27 divisors (see below), whose sum is σ = 6540807. Its totient is φ = 2415600.

The previous prime is 4052107. The next prime is 4052173. The reversal of 4052169 is 9612504.

The square root of 4052169 is 2013.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 131769 + 3920400 = 363^2 + 1980^2 .

It is not a de Polignac number, because 4052169 - 211 = 4050121 is a prime.

It is a super-2 number, since 2×40521692 = 32840147209122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4052969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 66399 + ... + 66459.

Almost surely, 24052169 is an apocalyptic number.

4052169 is the 2013-rd square number.

4052169 is the 1007-th centered octagonal number.

It is an amenable number.

4052169 is a deficient number, since it is larger than the sum of its proper divisors (2488638).

4052169 is a wasteful number, since it uses less digits than its factorization.

4052169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The cubic root of 4052169 is about 159.4272359341.

The spelling of 4052169 in words is "four million, fifty-two thousand, one hundred sixty-nine".