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742541 is a prime number
BaseRepresentation
bin10110101010010001101
31101201120112
42311102031
5142230131
623525405
76211562
oct2652215
91351515
10742541
11467978
122b9865
131ccc97
14154869
15ea02b
hexb548d

742541 has 2 divisors, whose sum is σ = 742542. Its totient is φ = 742540.

The previous prime is 742537. The next prime is 742549. The reversal of 742541 is 145247.

742541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 729316 + 13225 = 854^2 + 115^2 .

It is a cyclic number.

It is not a de Polignac number, because 742541 - 22 = 742537 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371270 + 371271.

It is an arithmetic number, because the mean of its divisors is an integer number (371271).

2742541 is an apocalyptic number.

It is an amenable number.

742541 is a deficient number, since it is larger than the sum of its proper divisors (1).

742541 is an equidigital number, since it uses as much as digits as its factorization.

742541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1120, while the sum is 23.

The square root of 742541 is about 861.7081872653. The cubic root of 742541 is about 90.5538277502.

Adding to 742541 its reverse (145247), we get a palindrome (887788).

The spelling of 742541 in words is "seven hundred forty-two thousand, five hundred forty-one".