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3031015230 = 2325227148361
BaseRepresentation
bin1011010010101001…
…1001111100111110
321211020101112020100
42310222121330332
522201414441410
61220433101530
7135053130045
oct26452317476
97736345210
103031015230
111315a24671
127070b78a6
13393c53649
1420a79b55c
1512b16d8c0
hexb4a99f3e

3031015230 has 48 divisors (see below), whose sum is σ = 7915409424. Its totient is φ = 804704640.

The previous prime is 3031015219. The next prime is 3031015231. The reversal of 3031015230 is 325101303.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3031015231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53751 + ... + 94610.

It is an arithmetic number, because the mean of its divisors is an integer number (164904363).

Almost surely, 23031015230 is an apocalyptic number.

3031015230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3031015230 is an abundant number, since it is smaller than the sum of its proper divisors (4884394194).

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

3031015230 is a wasteful number, since it uses less digits than its factorization.

3031015230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148601 (or 148598 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 3031015230 is about 55054.6567512686. The cubic root of 3031015230 is about 1447.2027291856.

Adding to 3031015230 its reverse (325101303), we get a palindrome (3356116533).

The spelling of 3031015230 in words is "three billion, thirty-one million, fifteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 227 454 681 1135 1362 2043 2270 3405 4086 6810 10215 20430 148361 296722 445083 741805 890166 1335249 1483610 2225415 2670498 4450830 6676245 13352490 33677947 67355894 101033841 168389735 202067682 303101523 336779470 505169205 606203046 1010338410 1515507615 3031015230