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109418400 = 253252713167
BaseRepresentation
bin1101000010110…
…01011110100000
321121220000211100
412201121132200
5211002342100
614505114400
72466020040
oct641313640
9247800740
10109418400
1156844733
1230788a00
1319890720
1410763720
159915400
hex68597a0

109418400 has 432 divisors, whose sum is σ = 477719424. Its totient is φ = 22947840.

The previous prime is 109418377. The next prime is 109418411. The reversal of 109418400 is 4814901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 655117 + ... + 655283.

It is an arithmetic number, because the mean of its divisors is an integer number (1105832).

Almost surely, 2109418400 is an apocalyptic number.

109418400 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 109418400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238859712).

109418400 is an abundant number, since it is smaller than the sum of its proper divisors (368301024).

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

109418400 is a wasteful number, since it uses less digits than its factorization.

109418400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 109418400 is about 10460.3250427508. The cubic root of 109418400 is about 478.2960415863.

The spelling of 109418400 in words is "one hundred nine million, four hundred eighteen thousand, four hundred".