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130433453 = 1371934933
BaseRepresentation
bin1111100011001…
…00000110101101
3100002102201001122
413301210012231
5231342332303
620535350325
73142444313
oct761440655
9302381048
10130433453
1167698647
12378223a5
132103ab77
14134740b3
15b6b6e38
hex7c641ad

130433453 has 8 divisors (see below), whose sum is σ = 132093048. Its totient is φ = 128784384.

The previous prime is 130433447. The next prime is 130433467. The reversal of 130433453 is 354334031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5396329 + 125037124 = 2323^2 + 11182^2 .

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

It is not a de Polignac number, because 130433453 - 218 = 130171309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130435453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23975 + ... + 28907.

It is an arithmetic number, because the mean of its divisors is an integer number (16511631).

Almost surely, 2130433453 is an apocalyptic number.

It is an amenable number.

130433453 is a deficient number, since it is larger than the sum of its proper divisors (1659595).

130433453 is a wasteful number, since it uses less digits than its factorization.

130433453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 130433453 is about 11420.7466043162. The cubic root of 130433453 is about 507.1420990873.

Adding to 130433453 its reverse (354334031), we get a palindrome (484767484).

The spelling of 130433453 in words is "one hundred thirty million, four hundred thirty-three thousand, four hundred fifty-three".

Divisors: 1 137 193 4933 26441 675821 952069 130433453