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192340249 = 1910123171
BaseRepresentation
bin10110111011011…
…10000100011001
3111101220220012221
423131232010121
5343214341444
631030304041
74523602513
oct1335560431
9441826187
10192340249
1199631092
12544b8021
1330b049ca
141b78abb3
1511d44a84
hexb76e119

192340249 has 4 divisors (see below), whose sum is σ = 202463440. Its totient is φ = 182217060.

The previous prime is 192340241. The next prime is 192340271. The reversal of 192340249 is 942043291.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 192340249 - 23 = 192340241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (192340241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5061567 + ... + 5061604.

It is an arithmetic number, because the mean of its divisors is an integer number (50615860).

Almost surely, 2192340249 is an apocalyptic number.

192340249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

192340249 is a deficient number, since it is larger than the sum of its proper divisors (10123191).

192340249 is a wasteful number, since it uses less digits than its factorization.

192340249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10123190.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 192340249 is about 13868.6787041881. The cubic root of 192340249 is about 577.2404075560.

The spelling of 192340249 in words is "one hundred ninety-two million, three hundred forty thousand, two hundred forty-nine".

Divisors: 1 19 10123171 192340249