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1430225524 = 227213561313
BaseRepresentation
bin101010100111111…
…1000001001110100
310200200012222120201
41111033320021310
510412114204044
6353530410244
750304500500
oct12517701164
93620188521
101430225524
11674363672
1233ab90984
1319a4022c0
14d7d3d300
15858657d4
hex553f8274

1430225524 has 36 divisors (see below), whose sum is σ = 3135500004. Its totient is φ = 565802496.

The previous prime is 1430225507. The next prime is 1430225561. The reversal of 1430225524 is 4255220341.

It can be written as a sum of positive squares in 2 ways, for example, as 656384400 + 773841124 = 25620^2 + 27818^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1430225492 and 1430225501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278109 + ... + 283204.

Almost surely, 21430225524 is an apocalyptic number.

1430225524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1430225524 is an abundant number, since it is smaller than the sum of its proper divisors (1705274480).

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

1430225524 is a wasteful number, since it uses less digits than its factorization.

1430225524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561344 (or 561335 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1430225524 is about 37818.3225963289. The cubic root of 1430225524 is about 1126.6823944601.

Adding to 1430225524 its reverse (4255220341), we get a palindrome (5685445865).

The spelling of 1430225524 in words is "one billion, four hundred thirty million, two hundred twenty-five thousand, five hundred twenty-four".

Divisors: 1 2 4 7 13 14 26 28 49 52 91 98 182 196 364 637 1274 2548 561313 1122626 2245252 3929191 7297069 7858382 14594138 15716764 27504337 29188276 51079483 55008674 102158966 110017348 204317932 357556381 715112762 1430225524