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3215314530 = 232535725717
BaseRepresentation
bin1011111110100101…
…1100111001100010
322022002011220100100
42333221130321202
523041110031110
61251015203230
7142451502561
oct27751347142
98262156310
103215314530
1113aaa6343a
12758976516
133c31a139c
14227053bd8
1513c425bc0
hexbfa5ce62

3215314530 has 24 divisors (see below), whose sum is σ = 8359818012. Its totient is φ = 857417184.

The previous prime is 3215314519. The next prime is 3215314547. The reversal of 3215314530 is 354135123.

It can be written as a sum of positive squares in 2 ways, for example, as 3196884681 + 18429849 = 56541^2 + 4293^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3215314494 and 3215314503.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 17862769 + ... + 17862948.

Almost surely, 23215314530 is an apocalyptic number.

3215314530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3215314530 is an abundant number, since it is smaller than the sum of its proper divisors (5144503482).

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

3215314530 is a wasteful number, since it uses less digits than its factorization.

3215314530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35725730 (or 35725727 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 3215314530 is about 56703.7435272134. The cubic root of 3215314530 is about 1475.9596597034.

Adding to 3215314530 its reverse (354135123), we get a palindrome (3569449653).

The spelling of 3215314530 in words is "three billion, two hundred fifteen million, three hundred fourteen thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 35725717 71451434 107177151 178628585 214354302 321531453 357257170 535885755 643062906 1071771510 1607657265 3215314530