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547420142 = 22774872029
BaseRepresentation
bin100000101000001…
…111011111101110
31102011001211021002
4200220033133232
52110114421032
6130153040302
716364665043
oct4050173756
91364054232
10547420142
11261005945
121333b6092
1389549159
14529bb1ca
15330d3862
hex20a0f7ee

547420142 has 16 divisors (see below), whose sum is σ = 826193760. Its totient is φ = 272027808.

The previous prime is 547420123. The next prime is 547420147. The reversal of 547420142 is 241024745.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547420147) 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, 268784 + ... + 270812.

It is an arithmetic number, because the mean of its divisors is an integer number (51637110).

Almost surely, 2547420142 is an apocalyptic number.

547420142 is a deficient number, since it is larger than the sum of its proper divisors (278773618).

547420142 is a wasteful number, since it uses less digits than its factorization.

547420142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 547420142 is about 23397.0113903464. The cubic root of 547420142 is about 818.0382123576.

Adding to 547420142 its reverse (241024745), we get a palindrome (788444887).

The spelling of 547420142 in words is "five hundred forty-seven million, four hundred twenty thousand, one hundred forty-two".

Divisors: 1 2 277 487 554 974 2029 4058 134899 269798 562033 988123 1124066 1976246 273710071 547420142