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542452505 = 5715498643
BaseRepresentation
bin100000010101010…
…010101100011001
31101210201102221112
4200111102230121
52102331440010
6125454350105
716304525120
oct4025225431
91353642845
10542452505
11259222661
121317bb335
13884ca01a
1452086ab7
1532951a05
hex20552b19

542452505 has 8 divisors (see below), whose sum is σ = 743934912. Its totient is φ = 371967408.

The previous prime is 542452483. The next prime is 542452513. The reversal of 542452505 is 505254245.

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

It is a cyclic number.

It is not a de Polignac number, because 542452505 - 224 = 525675289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7749287 + ... + 7749356.

It is an arithmetic number, because the mean of its divisors is an integer number (92991864).

Almost surely, 2542452505 is an apocalyptic number.

It is an amenable number.

542452505 is a deficient number, since it is larger than the sum of its proper divisors (201482407).

542452505 is a wasteful number, since it uses less digits than its factorization.

542452505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15498655.

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 542452505 is about 23290.6098030945. The cubic root of 542452505 is about 815.5562238607.

The spelling of 542452505 in words is "five hundred forty-two million, four hundred fifty-two thousand, five hundred five".

Divisors: 1 5 7 35 15498643 77493215 108490501 542452505