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542667347 = 1694332029
BaseRepresentation
bin100000010110000…
…111001001010011
31101211010100122122
4200112013021103
52102410323342
6125503124455
716306411355
oct4026071123
91354110578
10542667347
1125935a012
121318a372b
1388573a51
14521010d5
15329954d2
hex20587253

542667347 has 4 divisors (see below), whose sum is σ = 542716320. Its totient is φ = 542618376.

The previous prime is 542667337. The next prime is 542667383. The reversal of 542667347 is 743766245.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 743766245 = 5148753249.

It is a cyclic number.

It is not a de Polignac number, because 542667347 - 28 = 542667091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542667298 and 542667307.

It is not an unprimeable number, because it can be changed into a prime (542667337) 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, 929 + ... + 32957.

It is an arithmetic number, because the mean of its divisors is an integer number (135679080).

Almost surely, 2542667347 is an apocalyptic number.

542667347 is a deficient number, since it is larger than the sum of its proper divisors (48973).

542667347 is a wasteful number, since it uses less digits than its factorization.

542667347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48972.

The product of its digits is 846720, while the sum is 44.

The square root of 542667347 is about 23295.2215486352. The cubic root of 542667347 is about 815.6638785106.

The spelling of 542667347 in words is "five hundred forty-two million, six hundred sixty-seven thousand, three hundred forty-seven".

Divisors: 1 16943 32029 542667347