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57568148 = 22111308367
BaseRepresentation
bin1101101110011…
…0101110010100
311000022202122122
43123212232110
5104214140043
65413515112
71266215111
oct333465624
9130282578
1057568148
112a54a890
1217342a98
13bc080c1
147907908
1550c2368
hex36e6b94

57568148 has 12 divisors (see below), whose sum is σ = 109902912. Its totient is φ = 26167320.

The previous prime is 57568139. The next prime is 57568153. The reversal of 57568148 is 84186575.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 1308367 = 57568148 / (5 + 7 + 5 + 6 + 8 + 1 + 4 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 57568099 and 57568108.

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, 654140 + ... + 654227.

It is an arithmetic number, because the mean of its divisors is an integer number (9158576).

Almost surely, 257568148 is an apocalyptic number.

It is an amenable number.

57568148 is a deficient number, since it is larger than the sum of its proper divisors (52334764).

57568148 is a wasteful number, since it uses less digits than its factorization.

57568148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308382 (or 1308380 counting only the distinct ones).

The product of its digits is 268800, while the sum is 44.

The square root of 57568148 is about 7587.3676594719. The cubic root of 57568148 is about 386.1245537537.

The spelling of 57568148 in words is "fifty-seven million, five hundred sixty-eight thousand, one hundred forty-eight".

Divisors: 1 2 4 11 22 44 1308367 2616734 5233468 14392037 28784074 57568148