Search a number
-
+
104787901 is a prime number
BaseRepresentation
bin1100011111011…
…10111110111101
321022011202222101
412033232332331
5203311203101
614221545101
72411453041
oct617567675
9238152871
10104787901
1154171779
122b115191
131892bb9a
14dcba021
1592ed401
hex63eefbd

104787901 has 2 divisors, whose sum is σ = 104787902. Its totient is φ = 104787900.

The previous prime is 104787889. The next prime is 104787911. The reversal of 104787901 is 109787401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82791801 + 21996100 = 9099^2 + 4690^2 .

It is a cyclic number.

It is not a de Polignac number, because 104787901 - 211 = 104785853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104787911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52393950 + 52393951.

It is an arithmetic number, because the mean of its divisors is an integer number (52393951).

Almost surely, 2104787901 is an apocalyptic number.

It is an amenable number.

104787901 is a deficient number, since it is larger than the sum of its proper divisors (1).

104787901 is an equidigital number, since it uses as much as digits as its factorization.

104787901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 104787901 is about 10236.5961627877. The cubic root of 104787901 is about 471.4515273399.

The spelling of 104787901 in words is "one hundred four million, seven hundred eighty-seven thousand, nine hundred one".