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BaseRepresentation
bin1111101000111111100101
321201022020102
433220333211
52022200234
6223513445
746564361
oct17507745
97638212
104100069
112350496
121458885
13b0729c
1478a2a1
1555ec7e
hex3e8fe5

4100069 has 2 divisors, whose sum is σ = 4100070. Its totient is φ = 4100068.

The previous prime is 4100051. The next prime is 4100099. The reversal of 4100069 is 9600014.

Subtracting 4100069 from its reverse (9600014), we obtain a palindrome (5499945).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3751969 + 348100 = 1937^2 + 590^2 .

It is a cyclic number.

It is not a de Polignac number, because 4100069 - 220 = 3051493 is a prime.

It is a super-2 number, since 2×41000692 = 33621131609522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4100069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4100099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2050034 + 2050035.

It is an arithmetic number, because the mean of its divisors is an integer number (2050035).

Almost surely, 24100069 is an apocalyptic number.

It is an amenable number.

4100069 is a deficient number, since it is larger than the sum of its proper divisors (1).

4100069 is an equidigital number, since it uses as much as digits as its factorization.

4100069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 4100069 is about 2024.8627113955. The cubic root of 4100069 is about 160.0529642363.

The spelling of 4100069 in words is "four million, one hundred thousand, sixty-nine".