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34742400 = 2735271147
BaseRepresentation
bin1000010010001…
…0000010000000
32102101002121120
42010202002000
532343224100
63240352240
7601206540
oct204420200
972332546
1034742400
111867a530
12b775680
137275744
144885320
1530b40a0
hex2122080

34742400 has 384 divisors, whose sum is σ = 145704960. Its totient is φ = 7065600.

The previous prime is 34742387. The next prime is 34742437. The reversal of 34742400 is 424743.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 739177 + ... + 739223.

It is an arithmetic number, because the mean of its divisors is an integer number (379440).

Almost surely, 234742400 is an apocalyptic number.

34742400 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 34742400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72852480).

34742400 is an abundant number, since it is smaller than the sum of its proper divisors (110962560).

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

34742400 is a wasteful number, since it uses less digits than its factorization.

34742400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 34742400 is about 5894.2684024398. The cubic root of 34742400 is about 326.3021525236.

The spelling of 34742400 in words is "thirty-four million, seven hundred forty-two thousand, four hundred".