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104920001 is a prime number
BaseRepresentation
bin1100100000011…
…11001111000001
321022102111011222
412100033033001
5203324420001
614224444425
72412543134
oct620171701
9238374158
10104920001
1154251a4a
122b179715
1318977054
14dd1221b
15932761b
hex640f3c1

104920001 has 2 divisors, whose sum is σ = 104920002. Its totient is φ = 104920000.

The previous prime is 104919973. The next prime is 104920007. The reversal of 104920001 is 100029401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102111025 + 2808976 = 10105^2 + 1676^2 .

It is an emirp because it is prime and its reverse (100029401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104920001 - 210 = 104918977 is a prime.

It is a super-2 number, since 2×1049200012 = 22016413219680002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104920007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52460000 + 52460001.

It is an arithmetic number, because the mean of its divisors is an integer number (52460001).

Almost surely, 2104920001 is an apocalyptic number.

It is an amenable number.

104920001 is a deficient number, since it is larger than the sum of its proper divisors (1).

104920001 is an equidigital number, since it uses as much as digits as its factorization.

104920001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 104920001 is about 10243.0464706551. The cubic root of 104920001 is about 471.6495546378.

Adding to 104920001 its reverse (100029401), we get a palindrome (204949402).

The spelling of 104920001 in words is "one hundred four million, nine hundred twenty thousand, one".