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34744320 = 2113251329
BaseRepresentation
bin1000010010001…
…0100000000000
32102101012020200
42010202200000
532343304240
63240405200
7601215252
oct204424000
972335220
1034744320
1118680a16
12b776800
137276590
144885cd2
1530b4930
hex2122800

34744320 has 288 divisors, whose sum is σ = 134152200. Its totient is φ = 8257536.

The previous prime is 34744289. The next prime is 34744321. The reversal of 34744320 is 2344743.

It can be written as a sum of positive squares in 4 ways, for example, as 22127616 + 12616704 = 4704^2 + 3552^2 .

It is a tau number, because it is divible by the number of its divisors (288).

It is not an unprimeable number, because it can be changed into a prime (34744321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1198066 + ... + 1198094.

Almost surely, 234744320 is an apocalyptic number.

34744320 is a gapful number since it is divisible by the number (30) 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 34744320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67076100).

34744320 is an abundant number, since it is smaller than the sum of its proper divisors (99407880).

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

34744320 is a wasteful number, since it uses less digits than its factorization.

34744320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 34744320 is about 5894.4312702754. The cubic root of 34744320 is about 326.3081633211.

The spelling of 34744320 in words is "thirty-four million, seven hundred forty-four thousand, three hundred twenty".