[go: up one dir, main page]

Search a number
-
+
1312350234 = 231321294231
BaseRepresentation
bin100111000111000…
…1110000000011010
310101110102022002020
41032032032000122
510141430201414
6334120115310
744343535656
oct11616160032
93343368066
101312350234
11613873178
12307605b36
1317bb70500
14c6417a66
157a32e7a9
hex4e38e01a

1312350234 has 24 divisors (see below), whose sum is σ = 2842133472. Its totient is φ = 403799760.

The previous prime is 1312350233. The next prime is 1312350257. The reversal of 1312350234 is 4320532131.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1312350233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 646102 + ... + 648129.

It is an arithmetic number, because the mean of its divisors is an integer number (118422228).

Almost surely, 21312350234 is an apocalyptic number.

1312350234 is an abundant number, since it is smaller than the sum of its proper divisors (1529783238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312350234 is a wasteful number, since it uses less digits than its factorization.

1312350234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294262 (or 1294249 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1312350234 is about 36226.3748393349. The cubic root of 1312350234 is about 1094.8381387489.

Adding to 1312350234 its reverse (4320532131), we get a palindrome (5632882365).

The spelling of 1312350234 in words is "one billion, three hundred twelve million, three hundred fifty thousand, two hundred thirty-four".

Divisors: 1 2 3 6 13 26 39 78 169 338 507 1014 1294231 2588462 3882693 7765386 16825003 33650006 50475009 100950018 218725039 437450078 656175117 1312350234