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104742553 is a prime number
BaseRepresentation
bin1100011111000…
…11111010011001
321022002110202211
412033203322121
5203303230203
614220555121
72411203606
oct617437231
9238073684
10104742553
11541406a3
122b0b2aa1
1318914356
14dca76ad
1592dec6d
hex63e3e99

104742553 has 2 divisors, whose sum is σ = 104742554. Its totient is φ = 104742552.

The previous prime is 104742511. The next prime is 104742557. The reversal of 104742553 is 355247401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74183769 + 30558784 = 8613^2 + 5528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-104742553 is a prime.

It is not a weakly prime, because it can be changed into another prime (104742557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52371276 + 52371277.

It is an arithmetic number, because the mean of its divisors is an integer number (52371277).

Almost surely, 2104742553 is an apocalyptic number.

It is an amenable number.

104742553 is a deficient number, since it is larger than the sum of its proper divisors (1).

104742553 is an equidigital number, since it uses as much as digits as its factorization.

104742553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 104742553 is about 10234.3809290059. The cubic root of 104742553 is about 471.3835090908.

Adding to 104742553 its reverse (355247401), we get a palindrome (459989954).

The spelling of 104742553 in words is "one hundred four million, seven hundred forty-two thousand, five hundred fifty-three".