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197125601 = 1372635471
BaseRepresentation
bin10111011111111…
…10010111100001
3111201221000111012
423233332113201
5400431004401
631321030305
74612353131
oct1357762741
9451830435
10197125601
11a12aa422
1256025395
1331abbb8a
141c274ac1
151248c8bb
hexbbfe5e1

197125601 has 8 divisors (see below), whose sum is σ = 199355904. Its totient is φ = 194907040.

The previous prime is 197125553. The next prime is 197125633. The reversal of 197125601 is 106521791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-197125601 is a prime.

It is a super-2 number, since 2×1971256012 = 77717005139222402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197121601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33296 + ... + 38766.

It is an arithmetic number, because the mean of its divisors is an integer number (24919488).

Almost surely, 2197125601 is an apocalyptic number.

It is an amenable number.

197125601 is a deficient number, since it is larger than the sum of its proper divisors (2230303).

197125601 is a wasteful number, since it uses less digits than its factorization.

197125601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5871.

The product of its (nonzero) digits is 3780, while the sum is 32.

The square root of 197125601 is about 14040.1424850320. The cubic root of 197125601 is about 581.9884200370.

It can be divided in two parts, 1971 and 25601, that added together give a palindrome (27572).

The spelling of 197125601 in words is "one hundred ninety-seven million, one hundred twenty-five thousand, six hundred one".

Divisors: 1 137 263 5471 36031 749527 1438873 197125601