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188294425 = 52115312919
BaseRepresentation
bin10110011100100…
…10010100011001
3111010022100101121
423032102110121
5341200410200
630403445241
74444322224
oct1316222431
9433270347
10188294425
1197318430
1253086821
1330019327
141b0165bb
15117e5e1a
hexb392519

188294425 has 24 divisors (see below), whose sum is σ = 259536960. Its totient is φ = 134347200.

The previous prime is 188294387. The next prime is 188294437. The reversal of 188294425 is 524492881.

It is not a de Polignac number, because 188294425 - 29 = 188293913 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8116 + ... + 21034.

It is an arithmetic number, because the mean of its divisors is an integer number (10814040).

Almost surely, 2188294425 is an apocalyptic number.

It is an amenable number.

188294425 is a deficient number, since it is larger than the sum of its proper divisors (71242535).

188294425 is a wasteful number, since it uses less digits than its factorization.

188294425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12993 (or 12988 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The square root of 188294425 is about 13722.0415755091. The cubic root of 188294425 is about 573.1643286418.

The spelling of 188294425 in words is "one hundred eighty-eight million, two hundred ninety-four thousand, four hundred twenty-five".

Divisors: 1 5 11 25 53 55 265 275 583 1325 2915 12919 14575 64595 142109 322975 684707 710545 3423535 3552725 7531777 17117675 37658885 188294425