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1000285826 = 2500142913
BaseRepresentation
bin111011100111110…
…010011010000010
32120201012210012012
4323213302122002
54022033121301
6243131332522
733534201131
oct7347623202
92521183165
101000285826
114736a9601
1223abb1142
1312c30a307
1496bc3918
155cc3aebb
hex3b9f2682

1000285826 has 4 divisors (see below), whose sum is σ = 1500428742. Its totient is φ = 500142912.

The previous prime is 1000285807. The next prime is 1000285829. The reversal of 1000285826 is 6285820001.

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

It can be written as a sum of positive squares in only one way, i.e., 957840601 + 42445225 = 30949^2 + 6515^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1000285792 and 1000285801.

It is not an unprimeable number, because it can be changed into a prime (1000285829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250071455 + ... + 250071458.

Almost surely, 21000285826 is an apocalyptic number.

1000285826 is a deficient number, since it is larger than the sum of its proper divisors (500142916).

1000285826 is an equidigital number, since it uses as much as digits as its factorization.

1000285826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500142915.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 1000285826 is about 31627.2955846686. The cubic root of 1000285826 is about 1000.0952662574.

The spelling of 1000285826 in words is "one billion, two hundred eighty-five thousand, eight hundred twenty-six".

Divisors: 1 2 500142913 1000285826