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542396982 = 2390399497
BaseRepresentation
bin100000010101000…
…101001000110110
31101210121121210010
4200111011020312
52102323200412
6125453241050
716304204211
oct4025051066
91353547703
10542396982
11259194976
12131793186
13884aa97a
1452070778
153294033c
hex20545236

542396982 has 8 divisors (see below), whose sum is σ = 1084793976. Its totient is φ = 180798992.

The previous prime is 542396977. The next prime is 542396999. The reversal of 542396982 is 289693245.

It is a happy number.

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

542396982 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 45199743 + ... + 45199754.

It is an arithmetic number, because the mean of its divisors is an integer number (135599247).

Almost surely, 2542396982 is an apocalyptic number.

542396982 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.

542396982 is a wasteful number, since it uses less digits than its factorization.

542396982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90399502.

The product of its digits is 933120, while the sum is 48.

The square root of 542396982 is about 23289.4178115298. The cubic root of 542396982 is about 815.5283973549.

The spelling of 542396982 in words is "five hundred forty-two million, three hundred ninety-six thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 90399497 180798994 271198491 542396982