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57434244 = 22371394919
BaseRepresentation
bin1101101100011…
…0000010000100
311000001221222020
43123012002010
5104200343434
65411003140
71265116530
oct333060204
9130057866
1057434244
112a46921a
12172994b0
13bb8c17a
1478b0bc0
155097849
hex36c6084

57434244 has 48 divisors (see below), whose sum is σ = 154291200. Its totient is φ = 16288416.

The previous prime is 57434233. The next prime is 57434263. The reversal of 57434244 is 44243475.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9217 + ... + 14135.

It is an arithmetic number, because the mean of its divisors is an integer number (3214400).

Almost surely, 257434244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57434244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77145600).

57434244 is an abundant number, since it is smaller than the sum of its proper divisors (96856956).

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

57434244 is a wasteful number, since it uses less digits than its factorization.

57434244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072 (or 5070 counting only the distinct ones).

The product of its digits is 53760, while the sum is 33.

The square root of 57434244 is about 7578.5383815087. The cubic root of 57434244 is about 385.8249450082.

The spelling of 57434244 in words is "fifty-seven million, four hundred thirty-four thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 139 278 417 556 834 973 1668 1946 2919 3892 4919 5838 9838 11676 14757 19676 29514 34433 59028 68866 103299 137732 206598 413196 683741 1367482 2051223 2734964 4102446 4786187 8204892 9572374 14358561 19144748 28717122 57434244