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4121057 = 6016857
BaseRepresentation
bin1111101110000111100001
321202101000202
433232013201
52023333212
6224154545
750012513
oct17560741
97671022
104121057
112365236
121468a55
13b139c5
14793bb3
155660c2
hex3ee1e1

4121057 has 4 divisors (see below), whose sum is σ = 4128516. Its totient is φ = 4113600.

The previous prime is 4121017. The next prime is 4121063. The reversal of 4121057 is 7501214.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1401856 + 2719201 = 1184^2 + 1649^2 .

It is a cyclic number.

It is not a de Polignac number, because 4121057 - 26 = 4120993 is a prime.

It is a super-2 number, since 2×41210572 = 33966221594498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4121017) 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 3 ways as a sum of consecutive naturals, for example, 2828 + ... + 4029.

It is an arithmetic number, because the mean of its divisors is an integer number (1032129).

Almost surely, 24121057 is an apocalyptic number.

It is an amenable number.

4121057 is a deficient number, since it is larger than the sum of its proper divisors (7459).

4121057 is an equidigital number, since it uses as much as digits as its factorization.

4121057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7458.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 4121057 is about 2030.0386695824. The cubic root of 4121057 is about 160.3255999755.

The spelling of 4121057 in words is "four million, one hundred twenty-one thousand, fifty-seven".

Divisors: 1 601 6857 4121057