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104200553 = 556318731
BaseRepresentation
bin1100011010111…
…11100101101001
321021001221021202
412031133211221
5203133404203
614201213545
72403455462
oct615374551
9237057252
10104200553
1153900466
122aa912b5
1318784742
14dba5d69
159234388
hex635f969

104200553 has 4 divisors (see below), whose sum is σ = 104224848. Its totient is φ = 104176260.

The previous prime is 104200543. The next prime is 104200561. The reversal of 104200553 is 355002401.

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 104200553 - 26 = 104200489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104200513) 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, 3803 + ... + 14928.

It is an arithmetic number, because the mean of its divisors is an integer number (26056212).

Almost surely, 2104200553 is an apocalyptic number.

It is an amenable number.

104200553 is a deficient number, since it is larger than the sum of its proper divisors (24295).

104200553 is an equidigital number, since it uses as much as digits as its factorization.

104200553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24294.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 104200553 is about 10207.8672111269. The cubic root of 104200553 is about 470.5690301258.

Adding to 104200553 its reverse (355002401), we get a palindrome (459202954).

The spelling of 104200553 in words is "one hundred four million, two hundred thousand, five hundred fifty-three".

Divisors: 1 5563 18731 104200553