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84955161 = 328318387
BaseRepresentation
bin1010001000001…
…01000000011001
312220212011120110
411010011000121
5133222031121
612232514533
72051051454
oct504050031
9186764513
1084955161
1143a56085
122454ba49
13147a6935
14b3d649b
1576d1d76
hex5105019

84955161 has 4 divisors (see below), whose sum is σ = 113273552. Its totient is φ = 56636772.

The previous prime is 84955153. The next prime is 84955163. The reversal of 84955161 is 16155948.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 84955161 - 23 = 84955153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84955163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14159191 + ... + 14159196.

It is an arithmetic number, because the mean of its divisors is an integer number (28318388).

Almost surely, 284955161 is an apocalyptic number.

It is an amenable number.

84955161 is a deficient number, since it is larger than the sum of its proper divisors (28318391).

84955161 is a wasteful number, since it uses less digits than its factorization.

84955161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28318390.

The product of its digits is 43200, while the sum is 39.

The square root of 84955161 is about 9217.1124003128. The cubic root of 84955161 is about 439.6056401090.

The spelling of 84955161 in words is "eighty-four million, nine hundred fifty-five thousand, one hundred sixty-one".

Divisors: 1 3 28318387 84955161