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545718943 = 71131322643
BaseRepresentation
bin100000100001110…
…000001010011111
31102000212101122201
4200201300022133
52104201001233
6130052352331
716344351220
oct4041601237
91360771581
10545718943
112600537a0
121329156a7
13890a1a23
1452697247
1532d9977d
hex2087029f

545718943 has 16 divisors (see below), whose sum is σ = 682580736. Its totient is φ = 423858240.

The previous prime is 545718937. The next prime is 545718949. The reversal of 545718943 is 349817545.

It is an interprime number because it is at equal distance from previous prime (545718937) and next prime (545718949).

It is a cyclic number.

It is not a de Polignac number, because 545718943 - 213 = 545710751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545718893 and 545718902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545718949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12780 + ... + 35422.

It is an arithmetic number, because the mean of its divisors is an integer number (42661296).

Almost surely, 2545718943 is an apocalyptic number.

545718943 is a deficient number, since it is larger than the sum of its proper divisors (136861793).

545718943 is a wasteful number, since it uses less digits than its factorization.

545718943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22974.

The product of its digits is 604800, while the sum is 46.

The square root of 545718943 is about 23360.6280523448. The cubic root of 545718943 is about 817.1899364989.

The spelling of 545718943 in words is "five hundred forty-five million, seven hundred eighteen thousand, nine hundred forty-three".

Divisors: 1 7 11 77 313 2191 3443 22643 24101 158501 249073 1743511 7087259 49610813 77959849 545718943