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192939307 = 11171031761
BaseRepresentation
bin10111000000000…
…00010100101011
3111110001022222021
423200000110223
5343343024212
631051205311
74531646161
oct1340002453
9443038867
10192939307
1199a00180
1254746837
1330c84592
141b8a5231
1511e12307
hexb80052b

192939307 has 8 divisors (see below), whose sum is σ = 222860592. Its totient is φ = 165081600.

The previous prime is 192939301. The next prime is 192939311. The reversal of 192939307 is 703939291.

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 192939307 - 27 = 192939179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (192939301) 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, 515694 + ... + 516067.

It is an arithmetic number, because the mean of its divisors is an integer number (27857574).

Almost surely, 2192939307 is an apocalyptic number.

192939307 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

192939307 is a deficient number, since it is larger than the sum of its proper divisors (29921285).

192939307 is a wasteful number, since it uses less digits than its factorization.

192939307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031789.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 192939307 is about 13890.2594288228. The cubic root of 192939307 is about 577.8390725063.

The spelling of 192939307 in words is "one hundred ninety-two million, nine hundred thirty-nine thousand, three hundred seven".

Divisors: 1 11 17 187 1031761 11349371 17539937 192939307