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141020549 is a prime number
BaseRepresentation
bin10000110011111…
…00110110000101
3100211100120211022
420121330312011
5242100124144
621554320525
73331440425
oct1031746605
9324316738
10141020549
117266990a
123b289145
13232a6a17
1414a2c485
15c5a8cee
hex867cd85

141020549 has 2 divisors, whose sum is σ = 141020550. Its totient is φ = 141020548.

The previous prime is 141020513. The next prime is 141020557. The reversal of 141020549 is 945020141.

141020549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87291649 + 53728900 = 9343^2 + 7330^2 .

It is a cyclic number.

It is not a de Polignac number, because 141020549 - 216 = 140955013 is a prime.

It is a super-2 number, since 2×1410205492 = 39773590480522802, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141020449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70510274 + 70510275.

It is an arithmetic number, because the mean of its divisors is an integer number (70510275).

Almost surely, 2141020549 is an apocalyptic number.

It is an amenable number.

141020549 is a deficient number, since it is larger than the sum of its proper divisors (1).

141020549 is an equidigital number, since it uses as much as digits as its factorization.

141020549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 141020549 is about 11875.2073245060. The cubic root of 141020549 is about 520.5080697466.

The spelling of 141020549 in words is "one hundred forty-one million, twenty thousand, five hundred forty-nine".