Search a number
-
+
104963681 is a prime number
BaseRepresentation
bin1100100000110…
…01111001100001
321022111201002202
412100121321201
5203332314211
614225422545
72413114364
oct620317141
9238451082
10104963681
1154281849
122b19aa55
1318990bb4
14dd240db
15933553b
hex6419e61

104963681 has 2 divisors, whose sum is σ = 104963682. Its totient is φ = 104963680.

The previous prime is 104963659. The next prime is 104963699. The reversal of 104963681 is 186369401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92467456 + 12496225 = 9616^2 + 3535^2 .

It is an emirp because it is prime and its reverse (186369401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104963681 - 210 = 104962657 is a prime.

It is a super-2 number, since 2×1049636812 = 22034748658139522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104963641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52481840 + 52481841.

It is an arithmetic number, because the mean of its divisors is an integer number (52481841).

Almost surely, 2104963681 is an apocalyptic number.

It is an amenable number.

104963681 is a deficient number, since it is larger than the sum of its proper divisors (1).

104963681 is an equidigital number, since it uses as much as digits as its factorization.

104963681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 104963681 is about 10245.1784269480. The cubic root of 104963681 is about 471.7149974961.

The spelling of 104963681 in words is "one hundred four million, nine hundred sixty-three thousand, six hundred eighty-one".