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4159169 = 72174993
BaseRepresentation
bin1111110111011011000001
321211022022022
433313123001
52031043134
6225051225
750231600
oct17673301
97738268
104159169
112390933
121486b15
13b28161
147a3a37
1557252e
hex3f76c1

4159169 has 12 divisors (see below), whose sum is σ = 5123844. Its totient is φ = 3354624.

The previous prime is 4159153. The next prime is 4159187. The reversal of 4159169 is 9619514.

4159169 = 2672 + 2682 + ... + 3152.

It can be written as a sum of positive squares in 2 ways, for example, as 2371600 + 1787569 = 1540^2 + 1337^2 .

It is not a de Polignac number, because 4159169 - 24 = 4159153 is a prime.

It is a super-2 number, since 2×41591692 = 34597373541122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4159669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1664 + ... + 3329.

It is an arithmetic number, because the mean of its divisors is an integer number (426987).

Almost surely, 24159169 is an apocalyptic number.

4159169 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4159169 is a deficient number, since it is larger than the sum of its proper divisors (964675).

4159169 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (4159168) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (5024).

4159169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5024 (or 5017 counting only the distinct ones).

The product of its digits is 9720, while the sum is 35.

The square root of 4159169 is about 2039.4040796272. The cubic root of 4159169 is about 160.8183205820.

The spelling of 4159169 in words is "four million, one hundred fifty-nine thousand, one hundred sixty-nine".

Divisors: 1 7 17 49 119 833 4993 34951 84881 244657 594167 4159169