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57499248 = 2431197901
BaseRepresentation
bin1101101101010…
…1111001110000
311000012021010210
43123111321300
5104204433443
65412224120
71265510202
oct333257160
9130167123
1057499248
112a503044
121730b040
13bbb2931
1478ca772
1550abc33
hex36d5e70

57499248 has 20 divisors (see below), whose sum is σ = 148539848. Its totient is φ = 19166400.

The previous prime is 57499237. The next prime is 57499291. The reversal of 57499248 is 84299475.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1197901 = 57499248 / (5 + 7 + 4 + 9 + 9 + 2 + 4 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 57499197 and 57499206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598903 + ... + 598998.

Almost surely, 257499248 is an apocalyptic number.

It is an amenable number.

57499248 is an abundant number, since it is smaller than the sum of its proper divisors (91040600).

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

57499248 is a wasteful number, since it uses less digits than its factorization.

57499248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197912 (or 1197906 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 57499248 is about 7582.8258584778. The cubic root of 57499248 is about 385.9704488460.

The spelling of 57499248 in words is "fifty-seven million, four hundred ninety-nine thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1197901 2395802 3593703 4791604 7187406 9583208 14374812 19166416 28749624 57499248