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1051428617 = 7948727329
BaseRepresentation
bin111110101010111…
…000011100001001
32201021110002220122
4332222320130021
54123131203432
6252155433025
735024665361
oct7652703411
92637402818
101051428617
1149a55a978
12254155775
13139aa5915
149d8d79a1
156248e612
hex3eab8709

1051428617 has 8 divisors (see below), whose sum is σ = 1066963200. Its totient is φ = 1035949824.

The previous prime is 1051428613. The next prime is 1051428619. The reversal of 1051428617 is 7168241501.

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

It is a cyclic number.

It is not a de Polignac number, because 1051428617 - 22 = 1051428613 is a prime.

It is a super-3 number, since 3×10514286173 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051428613) 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, 24809 + ... + 52137.

It is an arithmetic number, because the mean of its divisors is an integer number (133370400).

Almost surely, 21051428617 is an apocalyptic number.

It is an amenable number.

1051428617 is a deficient number, since it is larger than the sum of its proper divisors (15534583).

1051428617 is an equidigital number, since it uses as much as digits as its factorization.

1051428617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27895.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 1051428617 is about 32425.7400378156. The cubic root of 1051428617 is about 1016.8571133445.

The spelling of 1051428617 in words is "one billion, fifty-one million, four hundred twenty-eight thousand, six hundred seventeen".

Divisors: 1 79 487 27329 38473 2158991 13309223 1051428617