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1349545 = 51715877
BaseRepresentation
bin101001001011110101001
32112120020011
411021132221
5321141140
644531521
714320351
oct5113651
92476204
101349545
11841a2a
12550ba1
13383362
14271b61
151b9cea
hex1497a9

1349545 has 8 divisors (see below), whose sum is σ = 1714824. Its totient is φ = 1016064.

The previous prime is 1349533. The next prime is 1349651. The reversal of 1349545 is 5459431.

1349545 = T134 + T135 + ... + T218.

It can be written as a sum of positive squares in 4 ways, for example, as 767376 + 582169 = 876^2 + 763^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 4-Lehmer number, since φ(1349545) divides (1349545-1)4.

It is a cyclic number.

It is not a de Polignac number, because 1349545 - 217 = 1218473 is a prime.

1349545 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7854 + ... + 8023.

It is an arithmetic number, because the mean of its divisors is an integer number (214353).

21349545 is an apocalyptic number.

It is an amenable number.

1349545 is a deficient number, since it is larger than the sum of its proper divisors (365279).

1349545 is a wasteful number, since it uses less digits than its factorization.

1349545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15899.

The product of its digits is 10800, while the sum is 31.

The square root of 1349545 is about 1161.6991865367. The cubic root of 1349545 is about 110.5085270134.

The spelling of 1349545 in words is "one million, three hundred forty-nine thousand, five hundred forty-five".

Divisors: 1 5 17 85 15877 79385 269909 1349545