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113530025 = 5274115823
BaseRepresentation
bin1101100010001…
…01010010101001
321220121220220202
412301011102221
5213030430100
615133201545
72545663220
oct661052251
9256556822
10113530025
11590a2874
12320302b5
131a6a003b
1411113cb7
159e787d5
hex6c454a9

113530025 has 24 divisors (see below), whose sum is σ = 164822784. Its totient is φ = 75945600.

The previous prime is 113530013. The next prime is 113530069. The reversal of 113530025 is 520035311.

It is a de Polignac number, because none of the positive numbers 2k-113530025 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113529979 and 113530006.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 737 + ... + 15086.

It is an arithmetic number, because the mean of its divisors is an integer number (6867616).

Almost surely, 2113530025 is an apocalyptic number.

It is an amenable number.

113530025 is a deficient number, since it is larger than the sum of its proper divisors (51292759).

113530025 is a wasteful number, since it uses less digits than its factorization.

113530025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15881 (or 15876 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 113530025 is about 10655.0469262223. The cubic root of 113530025 is about 484.2135196717.

Adding to 113530025 its reverse (520035311), we get a palindrome (633565336).

The spelling of 113530025 in words is "one hundred thirteen million, five hundred thirty thousand, twenty-five".

Divisors: 1 5 7 25 35 41 175 205 287 1025 1435 7175 15823 79115 110761 395575 553805 648743 2769025 3243715 4541201 16218575 22706005 113530025