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192929209 = 11171031707
BaseRepresentation
bin10110111111111…
…01110110111001
3111110000211010021
423133331312321
5343342213314
631051050441
74531604554
oct1337756671
9443024107
10192929209
11999a3630
1254740a21
1330c7cac5
141b8a169b
1511e0e324
hexb7fddb9

192929209 has 8 divisors (see below), whose sum is σ = 222848928. Its totient is φ = 165072960.

The previous prime is 192929203. The next prime is 192929251. The reversal of 192929209 is 902929291.

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 192929209 - 213 = 192921017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (192929203) 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, 515667 + ... + 516040.

It is an arithmetic number, because the mean of its divisors is an integer number (27856116).

Almost surely, 2192929209 is an apocalyptic number.

It is an amenable number.

192929209 is a deficient number, since it is larger than the sum of its proper divisors (29919719).

192929209 is a wasteful number, since it uses less digits than its factorization.

192929209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031735.

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 192929209 is about 13889.8959319356. The cubic root of 192929209 is about 577.8289914074.

The spelling of 192929209 in words is "one hundred ninety-two million, nine hundred twenty-nine thousand, two hundred nine".

Divisors: 1 11 17 187 1031707 11348777 17539019 192929209