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1689034498 = 21495667901
BaseRepresentation
bin110010010101100…
…1001111100000010
311100201012211202021
41210223021330002
511424343100443
6435333512054
756566361554
oct14453117402
94321184667
101689034498
11797463688
123b17a262a
1320bc0a3c8
1412046d4d4
159d4399ed
hex64ac9f02

1689034498 has 8 divisors (see below), whose sum is σ = 2550555900. Its totient is φ = 838849200.

The previous prime is 1689034489. The next prime is 1689034511. The reversal of 1689034498 is 8944309861.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1671419689 + 17614809 = 40883^2 + 4197^2 .

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

It is a super-2 number, since 2×16890344982 = 5705675070868224008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2833653 + ... + 2834248.

Almost surely, 21689034498 is an apocalyptic number.

1689034498 is a deficient number, since it is larger than the sum of its proper divisors (861521402).

1689034498 is a wasteful number, since it uses less digits than its factorization.

1689034498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5668052.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The square root of 1689034498 is about 41097.8648837138. The cubic root of 1689034498 is about 1190.9115483503.

The spelling of 1689034498 in words is "one billion, six hundred eighty-nine million, thirty-four thousand, four hundred ninety-eight".

Divisors: 1 2 149 298 5667901 11335802 844517249 1689034498