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526080138 = 2387680023
BaseRepresentation
bin11111010110110…
…101100010001010
31100122220122021120
4133112311202022
52034134031023
6124111420110
716015415223
oct3726654212
91318818246
10526080138
1124aa5a881
12128224636
1384cb6b2c
144dc2424a
15312ba8e3
hex1f5b588a

526080138 has 8 divisors (see below), whose sum is σ = 1052160288. Its totient is φ = 175360044.

The previous prime is 526080133. The next prime is 526080161. The reversal of 526080138 is 831080625.

It is a happy number.

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

526080138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 526080099 and 526080108.

It is not an unprimeable number, because it can be changed into a prime (526080131) 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, 43840006 + ... + 43840017.

It is an arithmetic number, because the mean of its divisors is an integer number (131520036).

Almost surely, 2526080138 is an apocalyptic number.

526080138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

526080138 is a wasteful number, since it uses less digits than its factorization.

526080138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87680028.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 526080138 is about 22936.4369072443. The cubic root of 526080138 is about 807.2671902474.

The spelling of 526080138 in words is "five hundred twenty-six million, eighty thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 87680023 175360046 263040069 526080138