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57045448 = 2319596361
BaseRepresentation
bin1101100110011…
…1000111001000
310222100012122101
43121213013020
5104100423243
65354403144
71261610155
oct331470710
9128305571
1057045448
112a2230a9
12171304b4
13ba84205
14780d22c
15501c54d
hex36671c8

57045448 has 32 divisors (see below), whose sum is σ = 114516000. Its totient is φ = 26559360.

The previous prime is 57045433. The next prime is 57045449. The reversal of 57045448 is 84454075.

57045448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (57045449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5788 + ... + 12148.

It is an arithmetic number, because the mean of its divisors is an integer number (3578625).

Almost surely, 257045448 is an apocalyptic number.

It is an amenable number.

57045448 is an abundant number, since it is smaller than the sum of its proper divisors (57470552).

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

57045448 is a wasteful number, since it uses less digits than its factorization.

57045448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6445 (or 6441 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 57045448 is about 7552.8437028711. The cubic root of 57045448 is about 384.9523705626.

The spelling of 57045448 in words is "fifty-seven million, forty-five thousand, four hundred forty-eight".

Divisors: 1 2 4 8 19 38 59 76 118 152 236 472 1121 2242 4484 6361 8968 12722 25444 50888 120859 241718 375299 483436 750598 966872 1501196 3002392 7130681 14261362 28522724 57045448