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197506125 = 32534192
BaseRepresentation
bin10111100010110…
…11010001001101
3111202122100110200
423301123101031
5401030144000
631333124113
74615526415
oct1361332115
9452570420
10197506125
11a153a303
1256189639
1331bc313b
141c333645
1512515500
hexbc5b44d

197506125 has 36 divisors (see below), whose sum is σ = 356889468. Its totient is φ = 105085200.

The previous prime is 197506123. The next prime is 197506163. The reversal of 197506125 is 521605791.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 6320196 + 191185929 = 2514^2 + 13827^2 .

It is not a de Polignac number, because 197506125 - 21 = 197506123 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 197506125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197506123) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 471166 + ... + 471584.

Almost surely, 2197506125 is an apocalyptic number.

197506125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

197506125 is a deficient number, since it is larger than the sum of its proper divisors (159383343).

197506125 is an frugal number, since it uses more digits than its factorization.

197506125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The square root of 197506125 is about 14053.6872385862. The cubic root of 197506125 is about 582.3626623361.

The spelling of 197506125 in words is "one hundred ninety-seven million, five hundred six thousand, one hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 125 225 375 419 1125 1257 2095 3771 6285 10475 18855 31425 52375 94275 157125 175561 471375 526683 877805 1580049 2633415 4389025 7900245 13167075 21945125 39501225 65835375 197506125