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84289197 = 3144719417
BaseRepresentation
bin1010000011000…
…10011010101101
312212121100001010
411001202122231
5133034223242
612210335433
72042306046
oct501423255
9185540033
1084289197
11436407a3
122428a579
1314602785
14b2a18cd
1575ee89c
hex50626ad

84289197 has 8 divisors (see below), whose sum is σ = 112469056. Its totient is φ = 56151072.

The previous prime is 84289193. The next prime is 84289201. The reversal of 84289197 is 79198248.

It is an interprime number because it is at equal distance from previous prime (84289193) and next prime (84289201).

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

It is not a de Polignac number, because 84289197 - 22 = 84289193 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 (84289193) 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, 5368 + ... + 14049.

It is an arithmetic number, because the mean of its divisors is an integer number (14058632).

Almost surely, 284289197 is an apocalyptic number.

It is an amenable number.

84289197 is a deficient number, since it is larger than the sum of its proper divisors (28179859).

84289197 is a wasteful number, since it uses less digits than its factorization.

84289197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20867.

The product of its digits is 290304, while the sum is 48.

The square root of 84289197 is about 9180.9148236981. The cubic root of 84289197 is about 438.4539350506.

The spelling of 84289197 in words is "eighty-four million, two hundred eighty-nine thousand, one hundred ninety-seven".

Divisors: 1 3 1447 4341 19417 58251 28096399 84289197