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11879898 = 238922247
BaseRepresentation
bin101101010100…
…010111011010
3211100120011020
4231110113122
511020124043
61102343310
7202656162
oct55242732
924316136
1011879898
1167845a8
123b8ab36
1325cc434
1418135a2
151099e83
hexb545da

11879898 has 16 divisors (see below), whose sum is σ = 24027840. Its totient is φ = 3915296.

The previous prime is 11879893. The next prime is 11879909. The reversal of 11879898 is 89897811.

It is a super-2 number, since 2×118798982 = 282263952980808, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11879898.

It is not an unprimeable number, because it can be changed into a prime (11879893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10590 + ... + 11657.

It is an arithmetic number, because the mean of its divisors is an integer number (1501740).

Almost surely, 211879898 is an apocalyptic number.

11879898 is an abundant number, since it is smaller than the sum of its proper divisors (12147942).

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

11879898 is a wasteful number, since it uses less digits than its factorization.

11879898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22341.

The product of its digits is 290304, while the sum is 51.

The square root of 11879898 is about 3446.7227912903. The cubic root of 11879898 is about 228.1764946116.

The spelling of 11879898 in words is "eleven million, eight hundred seventy-nine thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 89 178 267 534 22247 44494 66741 133482 1979983 3959966 5939949 11879898