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99448128 = 26331319233
BaseRepresentation
bin1011110110101…
…11010101000000
320221010111012000
411323113111000
5200424320003
613511304000
72315203143
oct573272500
9227114160
1099448128
115115493a
122937b000
13177ac560
14d2ca05a
158ae61a3
hex5ed7540

99448128 has 224 divisors, whose sum is σ = 332841600. Its totient is φ = 28864512.

The previous prime is 99448127. The next prime is 99448133. The reversal of 99448128 is 82184499.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99448127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426700 + ... + 426932.

It is an arithmetic number, because the mean of its divisors is an integer number (1485900).

Almost surely, 299448128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99448128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166420800).

99448128 is an abundant number, since it is smaller than the sum of its proper divisors (233393472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99448128 is a wasteful number, since it uses less digits than its factorization.

99448128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 270 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 99448128 is about 9972.3682242484. The cubic root of 99448128 is about 463.3034534958.

The spelling of 99448128 in words is "ninety-nine million, four hundred forty-eight thousand, one hundred twenty-eight".