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99168001 = 349284149
BaseRepresentation
bin1011110100100…
…10111100000001
320220121020220221
411322102330001
5200341334001
613501303041
72312625352
oct572227401
9226536827
1099168001
1150a83429
1229264a81
1317711bba
14d255d29
158a8d1a1
hex5e92f01

99168001 has 4 divisors (see below), whose sum is σ = 99452500. Its totient is φ = 98883504.

The previous prime is 99167947. The next prime is 99168067. The reversal of 99168001 is 10086199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10086199 = 66115259.

It can be written as a sum of positive squares in 2 ways, for example, as 85655025 + 13512976 = 9255^2 + 3676^2 .

It is a cyclic number.

It is not a de Polignac number, because 99168001 - 29 = 99167489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99168071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141726 + ... + 142423.

It is an arithmetic number, because the mean of its divisors is an integer number (24863125).

Almost surely, 299168001 is an apocalyptic number.

It is an amenable number.

99168001 is a deficient number, since it is larger than the sum of its proper divisors (284499).

99168001 is a wasteful number, since it uses less digits than its factorization.

99168001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284498.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 99168001 is about 9958.3131603701. The cubic root of 99168001 is about 462.8680309991.

It can be divided in two parts, 99 and 168001, that added together give a square (168100 = 4102).

The spelling of 99168001 in words is "ninety-nine million, one hundred sixty-eight thousand, one".

Divisors: 1 349 284149 99168001