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104438569 = 242343103
BaseRepresentation
bin1100011100110…
…01101100101001
321021112000210011
412032121230221
5203214013234
614210251521
72405466424
oct616315451
9237460704
10104438569
1153a53274
122ab86ba1
1318838b91
14dc289bb
15927eb64
hex6399b29

104438569 has 4 divisors (see below), whose sum is σ = 104484096. Its totient is φ = 104393044.

The previous prime is 104438533. The next prime is 104438617. The reversal of 104438569 is 965834401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 965834401 = 7137976343.

It is a cyclic number.

It is not a de Polignac number, because 104438569 - 213 = 104430377 is a prime.

It is a super-3 number, since 3×1044385693 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104433569) 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, 19129 + ... + 23974.

It is an arithmetic number, because the mean of its divisors is an integer number (26121024).

Almost surely, 2104438569 is an apocalyptic number.

It is an amenable number.

104438569 is a deficient number, since it is larger than the sum of its proper divisors (45527).

104438569 is an equidigital number, since it uses as much as digits as its factorization.

104438569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45526.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 104438569 is about 10219.5190199931. The cubic root of 104438569 is about 470.9270505767.

The spelling of 104438569 in words is "one hundred four million, four hundred thirty-eight thousand, five hundred sixty-nine".

Divisors: 1 2423 43103 104438569