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542054677 = 1289942023
BaseRepresentation
bin100000010011110…
…001100100010101
31101202222020020011
4200103301210111
52102231222202
6125442040221
716301250223
oct4023614425
91352866204
10542054677
11258a8077a
12131649071
13883bac18
1451dc1b13
15328c3bd7
hex204f1915

542054677 has 4 divisors (see below), whose sum is σ = 542109600. Its totient is φ = 541999756.

The previous prime is 542054663. The next prime is 542054693. The reversal of 542054677 is 776450245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 776450245 = 5155290049.

It is a cyclic number.

It is not a de Polignac number, because 542054677 - 211 = 542052629 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542054977) 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, 8113 + ... + 33910.

It is an arithmetic number, because the mean of its divisors is an integer number (135527400).

Almost surely, 2542054677 is an apocalyptic number.

It is an amenable number.

542054677 is a deficient number, since it is larger than the sum of its proper divisors (54923).

542054677 is a wasteful number, since it uses less digits than its factorization.

542054677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54922.

The product of its (nonzero) digits is 235200, while the sum is 40.

The square root of 542054677 is about 23282.0677131564. The cubic root of 542054677 is about 815.3568021314.

The spelling of 542054677 in words is "five hundred forty-two million, fifty-four thousand, six hundred seventy-seven".

Divisors: 1 12899 42023 542054677