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57653684 = 22111310311
BaseRepresentation
bin1101101111101…
…1100110110100
311000111002222122
43123323212310
5104224404214
65415415112
71300022354
oct333734664
9130432878
1057653684
112a5a9080
1217384498
13bc3800a
14792ab64
1550dc88e
hex36fb9b4

57653684 has 12 divisors (see below), whose sum is σ = 110066208. Its totient is φ = 26206200.

The previous prime is 57653677. The next prime is 57653689. The reversal of 57653684 is 48635675.

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: 1310311 = 57653684 / (5 + 7 + 6 + 5 + 3 + 6 + 8 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57653689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655112 + ... + 655199.

It is an arithmetic number, because the mean of its divisors is an integer number (9172184).

Almost surely, 257653684 is an apocalyptic number.

It is an amenable number.

57653684 is a deficient number, since it is larger than the sum of its proper divisors (52412524).

57653684 is a wasteful number, since it uses less digits than its factorization.

57653684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310326 (or 1310324 counting only the distinct ones).

The product of its digits is 604800, while the sum is 44.

The square root of 57653684 is about 7593.0023047540. The cubic root of 57653684 is about 386.3156965227.

Subtracting from 57653684 its reverse (48635675), we obtain a square (9018009 = 30032).

It can be divided in two parts, 5765 and 3684, that added together give a palindrome (9449).

The spelling of 57653684 in words is "fifty-seven million, six hundred fifty-three thousand, six hundred eighty-four".

Divisors: 1 2 4 11 22 44 1310311 2620622 5241244 14413421 28826842 57653684