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196561293 = 3173854143
BaseRepresentation
bin10111011011101…
…00100110001101
3111200212100101220
423231310212031
5400304430133
631300553553
74604512665
oct1355644615
9450770356
10196561293
11a0a54455
12559b28b9
1331952076
141c1691a5
15123ca5b3
hexbb7498d

196561293 has 8 divisors (see below), whose sum is σ = 277498368. Its totient is φ = 123332544.

The previous prime is 196561291. The next prime is 196561301. The reversal of 196561293 is 392165691.

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

It is not a de Polignac number, because 196561293 - 21 = 196561291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196561291) 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, 1927021 + ... + 1927122.

It is an arithmetic number, because the mean of its divisors is an integer number (34687296).

Almost surely, 2196561293 is an apocalyptic number.

It is an amenable number.

196561293 is a deficient number, since it is larger than the sum of its proper divisors (80937075).

196561293 is a wasteful number, since it uses less digits than its factorization.

196561293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854163.

The product of its digits is 87480, while the sum is 42.

The square root of 196561293 is about 14020.0318473247. The cubic root of 196561293 is about 581.4325399161.

The spelling of 196561293 in words is "one hundred ninety-six million, five hundred sixty-one thousand, two hundred ninety-three".

Divisors: 1 3 17 51 3854143 11562429 65520431 196561293