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1289060196 = 223412726029
BaseRepresentation
bin100110011010101…
…0111111101100100
310022211121001011020
41030311113331210
510114444411241
6331525011140
743641554664
oct11465277544
93284531136
101289060196
11601706006
122bb853ab0
131770a7718
14c32b41a4
157827db66
hex4cd57f64

1289060196 has 24 divisors (see below), whose sum is σ = 3008651520. Its totient is φ = 429566112.

The previous prime is 1289060177. The next prime is 1289060203. The reversal of 1289060196 is 6910609821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36510 + ... + 62538.

It is an arithmetic number, because the mean of its divisors is an integer number (125360480).

Almost surely, 21289060196 is an apocalyptic number.

It is an amenable number.

1289060196 is an abundant number, since it is smaller than the sum of its proper divisors (1719591324).

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

1289060196 is a wasteful number, since it uses less digits than its factorization.

1289060196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30163 (or 30161 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 1289060196 is about 35903.4844548548. The cubic root of 1289060196 is about 1088.3228129930.

The spelling of 1289060196 in words is "one billion, two hundred eighty-nine million, sixty thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 4127 8254 12381 16508 24762 26029 49524 52058 78087 104116 156174 312348 107421683 214843366 322265049 429686732 644530098 1289060196