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545712042 = 2390952007
BaseRepresentation
bin100000100001101…
…110011110101010
31102000212001012010
4200201232132222
52104200241132
6130052300350
716344322131
oct4041563652
91360761163
10545712042
11260049597
121329116b6
138909b845
1452694918
1532d976cc
hex2086e7aa

545712042 has 8 divisors (see below), whose sum is σ = 1091424096. Its totient is φ = 181904012.

The previous prime is 545712029. The next prime is 545712047. The reversal of 545712042 is 240217545.

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

545712042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (545712047) 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, 45475998 + ... + 45476009.

It is an arithmetic number, because the mean of its divisors is an integer number (136428012).

Almost surely, 2545712042 is an apocalyptic number.

545712042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

545712042 is a wasteful number, since it uses less digits than its factorization.

545712042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90952012.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 545712042 is about 23360.4803460888. The cubic root of 545712042 is about 817.1864918372.

Adding to 545712042 its reverse (240217545), we get a palindrome (785929587).

The spelling of 545712042 in words is "five hundred forty-five million, seven hundred twelve thousand, forty-two".

Divisors: 1 2 3 6 90952007 181904014 272856021 545712042