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196688925 = 33522111381
BaseRepresentation
bin10111011100100…
…11110000011101
3111201002211111000
423232103300131
5400323021200
631303420513
74605554046
oct1356236035
9451084430
10196688925
11a1031334
1255a54739
13319981a4
141c19d8cd
1512403300
hexbb93c1d

196688925 has 48 divisors (see below), whose sum is σ = 363300160. Its totient is φ = 104328000.

The previous prime is 196688911. The next prime is 196688941. The reversal of 196688925 is 529886691.

It is a happy number.

It is not a de Polignac number, because 196688925 - 24 = 196688909 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141735 + ... + 143115.

Almost surely, 2196688925 is an apocalyptic number.

196688925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196688925 is a deficient number, since it is larger than the sum of its proper divisors (166611235).

196688925 is a wasteful number, since it uses less digits than its factorization.

196688925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1600 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The square root of 196688925 is about 14024.5828814978. The cubic root of 196688925 is about 581.5583587563.

The spelling of 196688925 in words is "one hundred ninety-six million, six hundred eighty-eight thousand, nine hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 135 211 225 633 675 1055 1381 1899 3165 4143 5275 5697 6905 9495 12429 15825 20715 28485 34525 37287 47475 62145 103575 142425 186435 291391 310725 874173 932175 1456955 2622519 4370865 7284775 7867557 13112595 21854325 39337785 65562975 196688925