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109144896 = 2637172281
BaseRepresentation
bin1101000000101…
…10101101000000
321121101010122120
412200112231000
5210420114041
614455204240
72463500460
oct640265500
9247333576
10109144896
11566781a3
1230676680
13197c60a3
14106d1ba0
1598ae366
hex6816b40

109144896 has 168 divisors, whose sum is σ = 351836736. Its totient is φ = 29245440.

The previous prime is 109144859. The next prime is 109144901. The reversal of 109144896 is 698441901.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 388276 + ... + 388556.

Almost surely, 2109144896 is an apocalyptic number.

109144896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109144896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175918368).

109144896 is an abundant number, since it is smaller than the sum of its proper divisors (242691840).

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

109144896 is a wasteful number, since it uses less digits than its factorization.

109144896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 109144896 is about 10447.2434641871. The cubic root of 109144896 is about 477.8971902393.

The spelling of 109144896 in words is "one hundred nine million, one hundred forty-four thousand, eight hundred ninety-six".