Search a number
-
+
104442401 = 714920343
BaseRepresentation
bin1100011100110…
…10101000100001
321021112020001002
412032122220201
5203214124101
614210321345
72405513540
oct616325041
9237466032
10104442401
1153a56138
122ab89255
131883a84b
14dc2a157
159280d6b
hex639aa21

104442401 has 4 divisors (see below), whose sum is σ = 119362752. Its totient is φ = 89522052.

The previous prime is 104442391. The next prime is 104442409. The reversal of 104442401 is 104244401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 104442401 - 210 = 104441377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104442409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7460165 + ... + 7460178.

It is an arithmetic number, because the mean of its divisors is an integer number (29840688).

Almost surely, 2104442401 is an apocalyptic number.

It is an amenable number.

104442401 is a deficient number, since it is larger than the sum of its proper divisors (14920351).

104442401 is an equidigital number, since it uses as much as digits as its factorization.

104442401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14920350.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 104442401 is about 10219.7065026350. The cubic root of 104442401 is about 470.9328101679.

Adding to 104442401 its reverse (104244401), we get a palindrome (208686802).

The spelling of 104442401 in words is "one hundred four million, four hundred forty-two thousand, four hundred one".

Divisors: 1 7 14920343 104442401