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542464057 = 1314140947
BaseRepresentation
bin100000010101010…
…101100000111001
31101210202000210101
4200111111200321
52102332322212
6125454515401
716304603602
oct4025254071
91353660711
10542464057
11259230303
12131805b61
1388502365
145208ada9
1532955157
hex20555839

542464057 has 4 divisors (see below), whose sum is σ = 546605136. Its totient is φ = 538322980.

The previous prime is 542463979. The next prime is 542464073. The reversal of 542464057 is 750464245.

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 an emirpimes, since its reverse is a distinct semiprime: 750464245 = 5150092849.

It is a cyclic number.

It is not a de Polignac number, because 542464057 - 211 = 542462009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542464157) 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, 2070343 + ... + 2070604.

It is an arithmetic number, because the mean of its divisors is an integer number (136651284).

Almost surely, 2542464057 is an apocalyptic number.

It is an amenable number.

542464057 is a deficient number, since it is larger than the sum of its proper divisors (4141079).

542464057 is a wasteful number, since it uses less digits than its factorization.

542464057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141078.

The product of its (nonzero) digits is 134400, while the sum is 37.

The square root of 542464057 is about 23290.8577987158. The cubic root of 542464057 is about 815.5620131470.

The spelling of 542464057 in words is "five hundred forty-two million, four hundred sixty-four thousand, fifty-seven".

Divisors: 1 131 4140947 542464057