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99164788 = 2246153777
BaseRepresentation
bin1011110100100…
…10001001110100
320220121002111221
411322102021310
5200341233123
613501240124
72312613112
oct572221164
9226532457
1099164788
1150a80a78
1229263044
13177105b8
14d254ab2
158a8c25d
hex5e92274

99164788 has 12 divisors (see below), whose sum is σ = 173918052. Its totient is φ = 49473920.

The previous prime is 99164771. The next prime is 99164789. The reversal of 99164788 is 88746199.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13454224 + 85710564 = 3668^2 + 9258^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99164789) 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, 25045 + ... + 28732.

It is an arithmetic number, because the mean of its divisors is an integer number (14493171).

Almost surely, 299164788 is an apocalyptic number.

It is an amenable number.

99164788 is a deficient number, since it is larger than the sum of its proper divisors (74753264).

99164788 is a wasteful number, since it uses less digits than its factorization.

99164788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54242 (or 54240 counting only the distinct ones).

The product of its digits is 870912, while the sum is 52.

The square root of 99164788 is about 9958.1518365608. The cubic root of 99164788 is about 462.8630320376.

The spelling of 99164788 in words is "ninety-nine million, one hundred sixty-four thousand, seven hundred eighty-eight".

Divisors: 1 2 4 461 922 1844 53777 107554 215108 24791197 49582394 99164788