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548420141 = 4113376101
BaseRepresentation
bin100000101100000…
…011101000101101
31102012221122000002
4200230003220231
52110343421031
6130230314045
716406331353
oct4054035055
91365848002
10548420141
11261629195
121337b8925
1389809379
1452b9b7d3
153322eccb
hex20b03a2d

548420141 has 4 divisors (see below), whose sum is σ = 561796284. Its totient is φ = 535044000.

The previous prime is 548420129. The next prime is 548420219. The reversal of 548420141 is 141024845.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16933225 + 531486916 = 4115^2 + 23054^2 .

It is a cyclic number.

It is not a de Polignac number, because 548420141 - 26 = 548420077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548422141) 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, 6688010 + ... + 6688091.

It is an arithmetic number, because the mean of its divisors is an integer number (140449071).

Almost surely, 2548420141 is an apocalyptic number.

It is an amenable number.

548420141 is a deficient number, since it is larger than the sum of its proper divisors (13376143).

548420141 is a wasteful number, since it uses less digits than its factorization.

548420141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13376142.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 548420141 is about 23418.3718691117. The cubic root of 548420141 is about 818.5360260843.

Adding to 548420141 its reverse (141024845), we get a palindrome (689444986).

The spelling of 548420141 in words is "five hundred forty-eight million, four hundred twenty thousand, one hundred forty-one".

Divisors: 1 41 13376101 548420141