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542279885 = 5715493711
BaseRepresentation
bin100000010100101…
…000100011001101
31101210101200011012
4200110220203031
52102310424020
6125450535005
716303205630
oct4024504315
91353350135
10542279885
112591149a4
12131737465
1388469594
145203dc17
153291a7c5
hex205288cd

542279885 has 8 divisors (see below), whose sum is σ = 743698176. Its totient is φ = 371849040.

The previous prime is 542279873. The next prime is 542279921. The reversal of 542279885 is 588972245.

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

It is not a de Polignac number, because 542279885 - 28 = 542279629 is a prime.

It is a super-2 number, since 2×5422798852 = 588134947351226450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7746821 + ... + 7746890.

It is an arithmetic number, because the mean of its divisors is an integer number (92962272).

Almost surely, 2542279885 is an apocalyptic number.

It is an amenable number.

542279885 is a deficient number, since it is larger than the sum of its proper divisors (201418291).

542279885 is a wasteful number, since it uses less digits than its factorization.

542279885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15493723.

The product of its digits is 1612800, while the sum is 50.

The square root of 542279885 is about 23286.9037229083. The cubic root of 542279885 is about 815.4697055327.

The spelling of 542279885 in words is "five hundred forty-two million, two hundred seventy-nine thousand, eight hundred eighty-five".

Divisors: 1 5 7 35 15493711 77468555 108455977 542279885