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84197049 = 3137204859
BaseRepresentation
bin1010000010010…
…11111010111001
312212102122122020
411001023322321
5133023301144
612204345053
72041443306
oct501137271
9185378566
1084197049
1143588542
1224245189
131459c851
14b27a0ad
1575d2419
hex504beb9

84197049 has 8 divisors (see below), whose sum is σ = 113082720. Its totient is φ = 55721376.

The previous prime is 84197027. The next prime is 84197051. The reversal of 84197049 is 94079148.

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

It is not a de Polignac number, because 84197049 - 216 = 84131513 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 84197049.

It is not an unprimeable number, because it can be changed into a prime (84197749) 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, 102019 + ... + 102840.

It is an arithmetic number, because the mean of its divisors is an integer number (14135340).

Almost surely, 284197049 is an apocalyptic number.

It is an amenable number.

84197049 is a deficient number, since it is larger than the sum of its proper divisors (28885671).

84197049 is a wasteful number, since it uses less digits than its factorization.

84197049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204999.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 84197049 is about 9175.8949972196. The cubic root of 84197049 is about 438.2940988881.

The spelling of 84197049 in words is "eighty-four million, one hundred ninety-seven thousand, forty-nine".

Divisors: 1 3 137 411 204859 614577 28065683 84197049