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542458343 = 777494049
BaseRepresentation
bin100000010101010…
…100000111100111
31101210201201221202
4200111110013213
52102332131333
6125454433115
716304551130
oct4025240747
91353651852
10542458343
11259226a89
1213180279b
13884cc88b
1452088c87
15329535e8
hex205541e7

542458343 has 4 divisors (see below), whose sum is σ = 619952400. Its totient is φ = 464964288.

The previous prime is 542458337. The next prime is 542458361. The reversal of 542458343 is 343854245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 542458343 - 224 = 525681127 is a prime.

It is a super-2 number, since 2×5424583432 = 588522107780611298, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542458297 and 542458306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542458313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38747018 + ... + 38747031.

It is an arithmetic number, because the mean of its divisors is an integer number (154988100).

Almost surely, 2542458343 is an apocalyptic number.

542458343 is a deficient number, since it is larger than the sum of its proper divisors (77494057).

542458343 is an equidigital number, since it uses as much as digits as its factorization.

542458343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77494056.

The product of its digits is 230400, while the sum is 38.

The square root of 542458343 is about 23290.7351322366. The cubic root of 542458343 is about 815.5591495855.

The spelling of 542458343 in words is "five hundred forty-two million, four hundred fifty-eight thousand, three hundred forty-three".

Divisors: 1 7 77494049 542458343