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545130142 = 21560117471
BaseRepresentation
bin100000011111100…
…000011010011110
31101222202110222021
4200133200122132
52104023131032
6130032010354
716336346464
oct4037403236
91358673867
10545130142
1125a791387
121326909ba
1388c26a1b
1452582834
1532cd0097
hex207e069e

545130142 has 8 divisors (see below), whose sum is σ = 817794432. Its totient is φ = 272532000.

The previous prime is 545130097. The next prime is 545130163. The reversal of 545130142 is 241031545.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22467 + ... + 39937.

It is an arithmetic number, because the mean of its divisors is an integer number (102224304).

Almost surely, 2545130142 is an apocalyptic number.

545130142 is a deficient number, since it is larger than the sum of its proper divisors (272664290).

545130142 is a wasteful number, since it uses less digits than its factorization.

545130142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33074.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 545130142 is about 23348.0222288741. The cubic root of 545130142 is about 816.8959295984.

Adding to 545130142 its reverse (241031545), we get a palindrome (786161687).

The spelling of 545130142 in words is "five hundred forty-five million, one hundred thirty thousand, one hundred forty-two".

Divisors: 1 2 15601 17471 31202 34942 272565071 545130142