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104269261 is a prime number
BaseRepresentation
bin1100011011100…
…00010111001101
321021012102112111
412031300113031
5203143104021
614202504021
72404163005
oct615602715
9237172474
10104269261
1153948048
122ab05011
13187a9ab5
14dbc3005
1592498e1
hex63705cd

104269261 has 2 divisors, whose sum is σ = 104269262. Its totient is φ = 104269260.

The previous prime is 104269259. The next prime is 104269267. The reversal of 104269261 is 162962401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80892036 + 23377225 = 8994^2 + 4835^2 .

It is a cyclic number.

It is not a de Polignac number, because 104269261 - 21 = 104269259 is a prime.

It is a super-2 number, since 2×1042692612 = 21744157578972242, which contains 22 as substring.

Together with 104269259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104269267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52134630 + 52134631.

It is an arithmetic number, because the mean of its divisors is an integer number (52134631).

Almost surely, 2104269261 is an apocalyptic number.

It is an amenable number.

104269261 is a deficient number, since it is larger than the sum of its proper divisors (1).

104269261 is an equidigital number, since it uses as much as digits as its factorization.

104269261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 104269261 is about 10211.2320999966. The cubic root of 104269261 is about 470.6724356973.

The spelling of 104269261 in words is "one hundred four million, two hundred sixty-nine thousand, two hundred sixty-one".