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196708889 = 1316392831
BaseRepresentation
bin10111011100110…
…00101000011001
3111201010211212102
423232120220121
5400324141024
631304053145
74605666206
oct1356305031
9451124772
10196708889
11a1045333
1255a641b5
13319a42c0
141c1a6cad
15124091ae
hexbb98a19

196708889 has 8 divisors (see below), whose sum is σ = 213142272. Its totient is φ = 180461520.

The previous prime is 196708871. The next prime is 196708927. The reversal of 196708889 is 988807691.

It is a happy number.

196708889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 196708889 - 212 = 196704793 is a prime.

It is a super-2 number, since 2×1967088892 = 77388774023228642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196708829) 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, 44297 + ... + 48534.

It is an arithmetic number, because the mean of its divisors is an integer number (26642784).

Almost surely, 2196708889 is an apocalyptic number.

It is an amenable number.

196708889 is a deficient number, since it is larger than the sum of its proper divisors (16433383).

196708889 is a wasteful number, since it uses less digits than its factorization.

196708889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93007.

The product of its (nonzero) digits is 1741824, while the sum is 56.

The square root of 196708889 is about 14025.2946136614. The cubic root of 196708889 is about 581.5780342215.

The spelling of 196708889 in words is "one hundred ninety-six million, seven hundred eight thousand, eight hundred eighty-nine".

Divisors: 1 13 163 2119 92831 1206803 15131453 196708889