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109430400 = 2735211399
BaseRepresentation
bin1101000010111…
…00011010000000
321121220122021210
412201130122000
5211003233100
614505250120
72466100032
oct641343200
9247818253
10109430400
1156852752
1230793940
1319896021
1410767c52
159918c50
hex685c680

109430400 has 96 divisors (see below), whose sum is σ = 360468000. Its totient is φ = 29178880.

The previous prime is 109430351. The next prime is 109430407. The reversal of 109430400 is 4034901.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109430407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3901 + ... + 15299.

It is an arithmetic number, because the mean of its divisors is an integer number (3754875).

Almost surely, 2109430400 is an apocalyptic number.

109430400 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 109430400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180234000).

109430400 is an abundant number, since it is smaller than the sum of its proper divisors (251037600).

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

109430400 is a wasteful number, since it uses less digits than its factorization.

109430400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11426 (or 11409 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 109430400 is about 10460.8986229673. The cubic root of 109430400 is about 478.3135259786.

The spelling of 109430400 in words is "one hundred nine million, four hundred thirty thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 128 150 160 192 200 240 300 320 384 400 480 600 640 800 960 1200 1600 1920 2400 3200 4800 9600 11399 22798 34197 45596 56995 68394 91192 113990 136788 170985 182384 227980 273576 284975 341970 364768 455960 547152 569950 683940 729536 854925 911920 1094304 1139900 1367880 1459072 1709850 1823840 2188608 2279800 2735760 3419700 3647680 4377216 4559600 5471520 6839400 7295360 9119200 10943040 13678800 18238400 21886080 27357600 36476800 54715200 109430400