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542528449 = 6122339883
BaseRepresentation
bin100000010101100…
…101001111000001
31101210212022010021
4200111211033001
52102341402244
6125500133441
716305262411
oct4025451701
91353768107
10542528449
11259274721
12131837281
1388525768
14520a6641
1532969284
hex205653c1

542528449 has 8 divisors (see below), whose sum is σ = 553908992. Its totient is φ = 531228240.

The previous prime is 542528419. The next prime is 542528461. The reversal of 542528449 is 944825245.

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 542528449 - 25 = 542528417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542528419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6339 + ... + 33544.

It is an arithmetic number, because the mean of its divisors is an integer number (69238624).

Almost surely, 2542528449 is an apocalyptic number.

It is an amenable number.

542528449 is a deficient number, since it is larger than the sum of its proper divisors (11380543).

542528449 is a wasteful number, since it uses less digits than its factorization.

542528449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40167.

The product of its digits is 460800, while the sum is 43.

The square root of 542528449 is about 23292.2401026608. The cubic root of 542528449 is about 815.5942817006.

The spelling of 542528449 in words is "five hundred forty-two million, five hundred twenty-eight thousand, four hundred forty-nine".

Divisors: 1 61 223 13603 39883 2432863 8893909 542528449