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104100247 is a prime number
BaseRepresentation
bin1100011010001…
…11000110010111
321020212211200201
412031013012113
5203122201442
614155121331
72402560156
oct615070627
9236784621
10104100247
1153842069
122aa43247
131874aba4
14db7b59d
1592147b7
hex6347197

104100247 has 2 divisors, whose sum is σ = 104100248. Its totient is φ = 104100246.

The previous prime is 104100239. The next prime is 104100281. The reversal of 104100247 is 742001401.

It is a weak prime.

It is an emirp because it is prime and its reverse (742001401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104100247 - 23 = 104100239 is a prime.

It is a super-2 number, since 2×1041002472 = 21673722850922018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104100287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52050123 + 52050124.

It is an arithmetic number, because the mean of its divisors is an integer number (52050124).

Almost surely, 2104100247 is an apocalyptic number.

104100247 is a deficient number, since it is larger than the sum of its proper divisors (1).

104100247 is an equidigital number, since it uses as much as digits as its factorization.

104100247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 104100247 is about 10202.9528568939. The cubic root of 104100247 is about 470.4179878986.

Adding to 104100247 its reverse (742001401), we get a palindrome (846101648).

The spelling of 104100247 in words is "one hundred four million, one hundred thousand, two hundred forty-seven".