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130838273 = 177696369
BaseRepresentation
bin1111100110001…
…10111100000001
3100010012021100222
413303012330001
5231443311043
620552152425
73146051456
oct763067401
9303167328
10130838273
1167944805
1237998715
13211501c7
141353b82d
15b746d68
hex7cc6f01

130838273 has 4 divisors (see below), whose sum is σ = 138534660. Its totient is φ = 123141888.

The previous prime is 130838269. The next prime is 130838297. The reversal of 130838273 is 372838031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36204289 + 94633984 = 6017^2 + 9728^2 .

It is a cyclic number.

It is not a de Polignac number, because 130838273 - 22 = 130838269 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130838233) 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, 3848168 + ... + 3848201.

It is an arithmetic number, because the mean of its divisors is an integer number (34633665).

Almost surely, 2130838273 is an apocalyptic number.

It is an amenable number.

130838273 is a deficient number, since it is larger than the sum of its proper divisors (7696387).

130838273 is an equidigital number, since it uses as much as digits as its factorization.

130838273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7696386.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 130838273 is about 11438.4558835535. The cubic root of 130838273 is about 507.6662213651. Note that the first 3 decimals are identical.

The spelling of 130838273 in words is "one hundred thirty million, eight hundred thirty-eight thousand, two hundred seventy-three".

Divisors: 1 17 7696369 130838273