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104221454 = 256991583
BaseRepresentation
bin1100011011001…
…00101100001110
321021002222221212
412031210230032
5203140041304
614201454422
72403603431
oct615445416
9237088855
10104221454
1153915137
122aaa1412
13187910cc
14dbad818
15923a66e
hex6364b0e

104221454 has 8 divisors (see below), whose sum is σ = 156608640. Its totient is φ = 52018576.

The previous prime is 104221417. The next prime is 104221459. The reversal of 104221454 is 454122401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1042214542 = 21724222947748232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104221459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44654 + ... + 46929.

It is an arithmetic number, because the mean of its divisors is an integer number (19576080).

Almost surely, 2104221454 is an apocalyptic number.

104221454 is a deficient number, since it is larger than the sum of its proper divisors (52387186).

104221454 is an equidigital number, since it uses as much as digits as its factorization.

104221454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92154.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 104221454 is about 10208.8909289893. The cubic root of 104221454 is about 470.6004909498.

Adding to 104221454 its reverse (454122401), we get a palindrome (558343855).

The spelling of 104221454 in words is "one hundred four million, two hundred twenty-one thousand, four hundred fifty-four".

Divisors: 1 2 569 1138 91583 183166 52110727 104221454