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1342849 is a prime number
BaseRepresentation
bin101000111110110000001
32112020001011
411013312001
5320432344
644440521
714262004
oct5076601
92466034
101342849
118379a2
12549141
133802b1
1426d53b
151b7d34
hex147d81

1342849 has 2 divisors, whose sum is σ = 1342850. Its totient is φ = 1342848.

The previous prime is 1342829. The next prime is 1342871. The reversal of 1342849 is 9482431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 734449 + 608400 = 857^2 + 780^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342849 - 219 = 818561 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1342849.

It is not a weakly prime, because it can be changed into another prime (1342829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671424 + 671425.

It is an arithmetic number, because the mean of its divisors is an integer number (671425).

21342849 is an apocalyptic number.

It is an amenable number.

1342849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342849 is an equidigital number, since it uses as much as digits as its factorization.

1342849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 1342849 is about 1158.8136174554. The cubic root of 1342849 is about 110.3254548661.

The spelling of 1342849 in words is "one million, three hundred forty-two thousand, eight hundred forty-nine".