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545450054 = 21971384391
BaseRepresentation
bin100000100000101…
…110100001000110
31102000100201210212
4200200232201012
52104113400204
6130042515422
716342151252
oct4040564106
91360321725
10545450054
1125a98a776
12132805b72
1389009516
1452627262
1532d44c6e
hex2082e846

545450054 has 8 divisors (see below), whose sum is σ = 822328848. Its totient is φ = 271340440.

The previous prime is 545450051. The next prime is 545450093. The reversal of 545450054 is 450054545.

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

It is a super-2 number, since 2×5454500542 = 595031522817205832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 545450054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545450051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691802 + ... + 692589.

It is an arithmetic number, because the mean of its divisors is an integer number (102791106).

Almost surely, 2545450054 is an apocalyptic number.

545450054 is a deficient number, since it is larger than the sum of its proper divisors (276878794).

545450054 is a wasteful number, since it uses less digits than its factorization.

545450054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384590.

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 545450054 is about 23354.8721683507. The cubic root of 545450054 is about 817.0556979946.

The spelling of 545450054 in words is "five hundred forty-five million, four hundred fifty thousand, fifty-four".

Divisors: 1 2 197 394 1384391 2768782 272725027 545450054