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130132426 = 2361717989
BaseRepresentation
bin1111100000110…
…10100111001010
3100001212102010111
413300122213022
5231303214201
620525104534
73140051554
oct760324712
9301772114
10130132426
1167502466
12376b814a
1320c63b48
14133d64d4
15b657b51
hex7c1a9ca

130132426 has 8 divisors (see below), whose sum is σ = 195263460. Its totient is φ = 65044608.

The previous prime is 130132423. The next prime is 130132427. The reversal of 130132426 is 624231031.

It can be written as a sum of positive squares in 2 ways, for example, as 124300201 + 5832225 = 11149^2 + 2415^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 130132397 and 130132406.

It is not an unprimeable number, because it can be changed into a prime (130132423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1761 + ... + 16228.

Almost surely, 2130132426 is an apocalyptic number.

130132426 is a deficient number, since it is larger than the sum of its proper divisors (65131034).

130132426 is a wasteful number, since it uses less digits than its factorization.

130132426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21608.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 130132426 is about 11407.5600370982. The cubic root of 130132426 is about 506.7516546223.

Adding to 130132426 its reverse (624231031), we get a palindrome (754363457).

The spelling of 130132426 in words is "one hundred thirty million, one hundred thirty-two thousand, four hundred twenty-six".

Divisors: 1 2 3617 7234 17989 35978 65066213 130132426