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542698 = 21320873
BaseRepresentation
bin10000100011111101010
31000120102221
42010133222
5114331243
615344254
74420132
oct2043752
91016387
10542698
11340812
1222208a
13160030
14101ac2
15aabed
hex847ea

542698 has 8 divisors (see below), whose sum is σ = 876708. Its totient is φ = 250464.

The previous prime is 542693. The next prime is 542713. The reversal of 542698 is 896245.

It is a happy number.

542698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 499849 + 42849 = 707^2 + 207^2 .

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

It is a super-2 number, since 2×5426982 = 589042238408, which contains 22 as substring.

It is a d-powerful number, because it can be written as 52 + 44 + 67 + 28 + 92 + 86 .

It is not an unprimeable number, because it can be changed into a prime (542693) 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, 10411 + ... + 10462.

2542698 is an apocalyptic number.

542698 is a deficient number, since it is larger than the sum of its proper divisors (334010).

542698 is a wasteful number, since it uses less digits than its factorization.

542698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20888.

The product of its digits is 17280, while the sum is 34.

The square root of 542698 is about 736.6803920290. The cubic root of 542698 is about 81.5679236031.

The spelling of 542698 in words is "five hundred forty-two thousand, six hundred ninety-eight".

Divisors: 1 2 13 26 20873 41746 271349 542698