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193980268 = 22172315413
BaseRepresentation
bin10111000111111…
…10011101101100
3111112000012220101
423203332131230
5344124332033
631125400444
74543543066
oct1343763554
9445005811
10193980268
119a551279
1254b69124
133125a331
141ba96736
151206a97d
hexb8fe76c

193980268 has 36 divisors (see below), whose sum is σ = 372309952. Its totient is φ = 88323840.

The previous prime is 193980257. The next prime is 193980271. The reversal of 193980268 is 862089391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33130 + ... + 38542.

Almost surely, 2193980268 is an apocalyptic number.

It is an amenable number.

193980268 is a deficient number, since it is larger than the sum of its proper divisors (178329684).

193980268 is a wasteful number, since it uses less digits than its factorization.

193980268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5482 (or 5463 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 193980268 is about 13927.6799216524. The cubic root of 193980268 is about 578.8764097769.

The spelling of 193980268 in words is "one hundred ninety-three million, nine hundred eighty thousand, two hundred sixty-eight".

Divisors: 1 2 4 17 31 34 62 68 124 289 527 578 1054 1156 2108 5413 8959 10826 17918 21652 35836 92021 167803 184042 335606 368084 671212 1564357 2852651 3128714 5705302 6257428 11410604 48495067 96990134 193980268