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109444764 = 2231113234759
BaseRepresentation
bin1101000010111…
…11111010011100
321121221100222210
412201133322130
5211004213024
614505440420
72466156642
oct641377234
9247840883
10109444764
1156862520
12307a0110
131989c720
141076d192
15991d129
hex685fe9c

109444764 has 192 divisors, whose sum is σ = 325140480. Its totient is φ = 28174080.

The previous prime is 109444747. The next prime is 109444781. The reversal of 109444764 is 467444901.

It is an interprime number because it is at equal distance from previous prime (109444747) and next prime (109444781).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1854967 + ... + 1855025.

It is an arithmetic number, because the mean of its divisors is an integer number (1693440).

Almost surely, 2109444764 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 109444764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162570240).

109444764 is an abundant number, since it is smaller than the sum of its proper divisors (215695716).

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

109444764 is a wasteful number, since it uses less digits than its factorization.

109444764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 109444764 is about 10461.5851571356. The cubic root of 109444764 is about 478.3344531155.

The spelling of 109444764 in words is "one hundred nine million, four hundred forty-four thousand, seven hundred sixty-four".