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57494148 = 22323320563
BaseRepresentation
bin1101101101010…
…0101010000100
311000012000010220
43123110222010
5104204303043
65412144340
71265456265
oct333245204
9130160126
1057494148
112a4aa228
12173080b0
13bbb050a
1478c896c
1550aa483
hex36d4a84

57494148 has 24 divisors (see below), whose sum is σ = 134735328. Its totient is φ = 19081536.

The previous prime is 57494141. The next prime is 57494161. The reversal of 57494148 is 84149475.

It is not an unprimeable number, because it can be changed into a prime (57494141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7486 + ... + 13077.

It is an arithmetic number, because the mean of its divisors is an integer number (5613972).

Almost surely, 257494148 is an apocalyptic number.

It is an amenable number.

57494148 is an abundant number, since it is smaller than the sum of its proper divisors (77241180).

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

57494148 is a wasteful number, since it uses less digits than its factorization.

57494148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20803 (or 20801 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 57494148 is about 7582.4895647802. The cubic root of 57494148 is about 385.9590370591.

The spelling of 57494148 in words is "fifty-seven million, four hundred ninety-four thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 233 466 699 932 1398 2796 20563 41126 61689 82252 123378 246756 4791179 9582358 14373537 19164716 28747074 57494148