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109440000 = 210325419
BaseRepresentation
bin1101000010111…
…10110000000000
321121221010110100
412201132300000
5211004040000
614505402400
72466140025
oct641366000
9247833410
10109440000
115685998a
1230799400
131989a4c7
141076b54c
15991ba00
hex685ec00

109440000 has 330 divisors, whose sum is σ = 415663820. Its totient is φ = 27648000.

The previous prime is 109439989. The next prime is 109440041. The reversal of 109440000 is 44901.

It is a super-2 number, since 2×1094400002 = 23954227200000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5759991 + ... + 5760009.

Almost surely, 2109440000 is an apocalyptic number.

109440000 is a gapful number since it is divisible by the number (10) 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 109440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207831910).

109440000 is an abundant number, since it is smaller than the sum of its proper divisors (306223820).

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

109440000 is an equidigital number, since it uses as much as digits as its factorization.

109440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 109440000 is about 10461.3574644976. The cubic root of 109440000 is about 478.3275125721.

Adding to 109440000 its reverse (44901), we get a palindrome (109484901).

The spelling of 109440000 in words is "one hundred nine million, four hundred forty thousand".