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104643401 = 330731643
BaseRepresentation
bin1100011110010…
…11101101001001
321021220102202112
412033023231021
5203242042101
614214512105
72410311542
oct617135511
9237812675
10104643401
1154083155
122b065635
13188ab195
14dc7d4c9
1592c06bb
hex63cbb49

104643401 has 4 divisors (see below), whose sum is σ = 104678352. Its totient is φ = 104608452.

The previous prime is 104643367. The next prime is 104643433. The reversal of 104643401 is 104346401.

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 104643401 - 218 = 104381257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104643001) 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, 12515 + ... + 19128.

It is an arithmetic number, because the mean of its divisors is an integer number (26169588).

Almost surely, 2104643401 is an apocalyptic number.

It is an amenable number.

104643401 is a deficient number, since it is larger than the sum of its proper divisors (34951).

104643401 is an equidigital number, since it uses as much as digits as its factorization.

104643401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34950.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 104643401 is about 10229.5357177147. The cubic root of 104643401 is about 471.2347208728.

Adding to 104643401 its reverse (104346401), we get a palindrome (208989802).

The spelling of 104643401 in words is "one hundred four million, six hundred forty-three thousand, four hundred one".

Divisors: 1 3307 31643 104643401