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104520025 = 524180801
BaseRepresentation
bin1100011101011…
…01100101011001
321021200011112001
412032231211121
5203224120100
614212121001
72406256051
oct616554531
9237604461
10104520025
1153aa9495
122b006161
1318866c8c
14dc4a561
159298d6a
hex63ad959

104520025 has 6 divisors (see below), whose sum is σ = 129604862. Its totient is φ = 83616000.

The previous prime is 104520011. The next prime is 104520047. The reversal of 104520025 is 520025401.

It can be written as a sum of positive squares in 3 ways, for example, as 1517824 + 103002201 = 1232^2 + 10149^2 .

It is not a de Polignac number, because 104520025 - 25 = 104519993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104519984 and 104520011.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2090376 + ... + 2090425.

Almost surely, 2104520025 is an apocalyptic number.

It is an amenable number.

104520025 is a deficient number, since it is larger than the sum of its proper divisors (25084837).

104520025 is an equidigital number, since it uses as much as digits as its factorization.

104520025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4180811 (or 4180806 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 104520025 is about 10223.5035579785. The cubic root of 104520025 is about 471.0494506495.

Adding to 104520025 its reverse (520025401), we get a palindrome (624545426).

The spelling of 104520025 in words is "one hundred four million, five hundred twenty thousand, twenty-five".

Divisors: 1 5 25 4180801 20904005 104520025