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545750057 = 4117974363
BaseRepresentation
bin100000100001110…
…111110000101001
31102000220222100002
4200201313300221
52104203000212
6130053152345
716344541016
oct4041676051
91360828302
10545750057
11260075106
1213292b6b5
13890b2c38
14526a470d
1532da3ac2
hex20877c29

545750057 has 8 divisors (see below), whose sum is σ = 562191840. Its totient is φ = 529457440.

The previous prime is 545750039. The next prime is 545750069. The reversal of 545750057 is 750057545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545750057 - 26 = 545749993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545750057.

It is not an unprimeable number, because it can be changed into a prime (545750017) 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, 29843 + ... + 44520.

It is an arithmetic number, because the mean of its divisors is an integer number (70273980).

Almost surely, 2545750057 is an apocalyptic number.

It is an amenable number.

545750057 is a deficient number, since it is larger than the sum of its proper divisors (16441783).

545750057 is a wasteful number, since it uses less digits than its factorization.

545750057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74583.

The product of its (nonzero) digits is 122500, while the sum is 38.

The square root of 545750057 is about 23361.2939924140. The cubic root of 545750057 is about 817.2054668159.

The spelling of 545750057 in words is "five hundred forty-five million, seven hundred fifty thousand, fifty-seven".

Divisors: 1 41 179 7339 74363 3048883 13310977 545750057