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1205252235 = 325112434853
BaseRepresentation
bin100011111010110…
…1011000010001011
310002222220011020200
41013311223002023
54432021032420
6315332423243
741603321625
oct10765530213
93088804220
101205252235
11569373930
12297777b23
13162913005
14b60d9c15
1570c26b90
hex47d6b08b

1205252235 has 24 divisors (see below), whose sum is σ = 2279023344. Its totient is φ = 584364480.

The previous prime is 1205252231. The next prime is 1205252297. The reversal of 1205252235 is 5322525021.

1205252235 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1205252235 - 22 = 1205252231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1205252199 and 1205252208.

It is not an unprimeable number, because it can be changed into a prime (1205252231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1216932 + ... + 1217921.

It is an arithmetic number, because the mean of its divisors is an integer number (94959306).

Almost surely, 21205252235 is an apocalyptic number.

1205252235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1205252235 is a deficient number, since it is larger than the sum of its proper divisors (1073771109).

1205252235 is a wasteful number, since it uses less digits than its factorization.

1205252235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434875 (or 2434872 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1205252235 is about 34716.7428627744. The cubic root of 1205252235 is about 1064.2066828949.

Adding to 1205252235 its reverse (5322525021), we get a palindrome (6527777256).

It can be divided in two parts, 120525 and 2235, that added together give a triangular number (122760 = T495).

The spelling of 1205252235 in words is "one billion, two hundred five million, two hundred fifty-two thousand, two hundred thirty-five".

Divisors: 1 3 5 9 11 15 33 45 55 99 165 495 2434853 7304559 12174265 21913677 26783383 36522795 80350149 109568385 133916915 241050447 401750745 1205252235