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192425297 = 1192316139
BaseRepresentation
bin10110111100000…
…10110101010001
3111102002012212212
423132002311101
5343230102142
631032201505
74524405461
oct1336026521
9442065785
10192425297
1199689a79
1254539295
1330b3462c
141b7adba1
1511d5ed82
hexb782d51

192425297 has 4 divisors (see below), whose sum is σ = 192453360. Its totient is φ = 192397236.

The previous prime is 192425267. The next prime is 192425333. The reversal of 192425297 is 792524291.

192425297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 792524291 = 1360963407.

It is a cyclic number.

It is not a de Polignac number, because 192425297 - 28 = 192425041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (192425257) 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, 3854 + ... + 19992.

It is an arithmetic number, because the mean of its divisors is an integer number (48113340).

Almost surely, 2192425297 is an apocalyptic number.

It is an amenable number.

192425297 is a deficient number, since it is larger than the sum of its proper divisors (28063).

192425297 is a wasteful number, since it uses less digits than its factorization.

192425297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28062.

The product of its digits is 90720, while the sum is 41.

The square root of 192425297 is about 13871.7445550298. The cubic root of 192425297 is about 577.3254753950.

The spelling of 192425297 in words is "one hundred ninety-two million, four hundred twenty-five thousand, two hundred ninety-seven".

Divisors: 1 11923 16139 192425297