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542989245 = 3537978359
BaseRepresentation
bin100000010111010…
…101101110111101
31101211201201012210
4200113111232331
52103001123440
6125514051033
716312222011
oct4027255675
91354651183
10542989245
11259559947
12131a19a79
1388657416
1452186541
1532a0aa80
hex205d5bbd

542989245 has 16 divisors (see below), whose sum is σ = 892264320. Its totient is φ = 281767104.

The previous prime is 542989217. The next prime is 542989259.

542989245 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 542989245 - 216 = 542923709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542989194 and 542989203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488625 + ... + 489734.

It is an arithmetic number, because the mean of its divisors is an integer number (55766520).

Almost surely, 2542989245 is an apocalyptic number.

It is an amenable number.

542989245 is a deficient number, since it is larger than the sum of its proper divisors (349275075).

542989245 is a wasteful number, since it uses less digits than its factorization.

542989245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978404.

The product of its digits is 1036800, while the sum is 48.

The square root of 542989245 is about 23302.1296237061. The cubic root of 542989245 is about 815.8251244223.

The spelling of 542989245 in words is "five hundred forty-two million, nine hundred eighty-nine thousand, two hundred forty-five".

Divisors: 1 3 5 15 37 111 185 555 978359 2935077 4891795 14675385 36199283 108597849 180996415 542989245