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542041447 = 17101315691
BaseRepresentation
bin100000010011101…
…110010101100111
31101202221120002011
4200103232111213
52102230311242
6125441455051
716301163523
oct4023562547
91352846064
10542041447
11258a71842
12131641487
13883b4bac
1451dbad83
15328bed17
hex204ee567

542041447 has 8 divisors (see below), whose sum is σ = 579610512. Its totient is φ = 505104000.

The previous prime is 542041439. The next prime is 542041471. The reversal of 542041447 is 744140245.

542041447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 542041447 - 23 = 542041439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542041427) 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, 156129 + ... + 159562.

It is an arithmetic number, because the mean of its divisors is an integer number (72451314).

Almost surely, 2542041447 is an apocalyptic number.

542041447 is a deficient number, since it is larger than the sum of its proper divisors (37569065).

542041447 is a wasteful number, since it uses less digits than its factorization.

542041447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315809.

The product of its (nonzero) digits is 17920, while the sum is 31.

The square root of 542041447 is about 23281.7835871739. The cubic root of 542041447 is about 815.3501685704.

The spelling of 542041447 in words is "five hundred forty-two million, forty-one thousand, four hundred forty-seven".

Divisors: 1 17 101 1717 315691 5366747 31884791 542041447