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197288101 = 536915387
BaseRepresentation
bin10111100001001…
…10000010100101
3111202020021101201
423300212002211
5401001204401
631324322501
74613630653
oct1360460245
9452207351
10197288101
11a140051a
12560a3431
1331b47b2a
141c2b7dd3
15124c0b01
hexbc260a5

197288101 has 8 divisors (see below), whose sum is σ = 201338784. Its totient is φ = 193249680.

The previous prime is 197288099. The next prime is 197288141. The reversal of 197288101 is 101882791.

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

It is a cyclic number.

It is not a de Polignac number, because 197288101 - 21 = 197288099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197288141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33930 + ... + 39316.

It is an arithmetic number, because the mean of its divisors is an integer number (25167348).

Almost surely, 2197288101 is an apocalyptic number.

It is an amenable number.

197288101 is a deficient number, since it is larger than the sum of its proper divisors (4050683).

197288101 is an equidigital number, since it uses as much as digits as its factorization.

197288101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6131.

The product of its (nonzero) digits is 8064, while the sum is 37.

The square root of 197288101 is about 14045.9282712108. The cubic root of 197288101 is about 582.1482963505.

The spelling of 197288101 in words is "one hundred ninety-seven million, two hundred eighty-eight thousand, one hundred one".

Divisors: 1 53 691 5387 36623 285511 3722417 197288101