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57648045 = 35713157269
BaseRepresentation
bin1101101111101…
…0001110101101
311000110211020210
43123322032231
5104224214140
65415333033
71300000050
oct333721655
9130424223
1057648045
112a5a4914
1217381179
13bc35590
147928a97
1550dad80
hex36fa3ad

57648045 has 64 divisors (see below), whose sum is σ = 114670080. Its totient is φ = 24081408.

The previous prime is 57648007. The next prime is 57648049. The reversal of 57648045 is 54084675.

It is not a de Polignac number, because 57648045 - 26 = 57647981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 57647994 and 57648012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57648049) 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 63 ways as a sum of consecutive naturals, for example, 214171 + ... + 214439.

It is an arithmetic number, because the mean of its divisors is an integer number (1791720).

Almost surely, 257648045 is an apocalyptic number.

It is an amenable number.

57648045 is a deficient number, since it is larger than the sum of its proper divisors (57022035).

57648045 is a wasteful number, since it uses less digits than its factorization.

57648045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 57648045 is about 7592.6309669310. The cubic root of 57648045 is about 386.3031011712.

The spelling of 57648045 in words is "fifty-seven million, six hundred forty-eight thousand, forty-five".

Divisors: 1 3 5 7 13 15 21 35 39 65 91 105 157 195 269 273 455 471 785 807 1099 1345 1365 1883 2041 2355 3297 3497 4035 5495 5649 6123 9415 10205 10491 14287 16485 17485 24479 28245 30615 42233 42861 52455 71435 73437 122395 126699 211165 214305 295631 367185 549029 633495 886893 1478155 1647087 2745145 3843203 4434465 8235435 11529609 19216015 57648045