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1361477 = 13104729
BaseRepresentation
bin101001100011001000101
32120011121002
411030121011
5322031402
645103045
714400215
oct5143105
92504532
101361477
1184a997
12557a85
13388910
14276245
151bd602
hex14c645

1361477 has 4 divisors (see below), whose sum is σ = 1466220. Its totient is φ = 1256736.

The previous prime is 1361471. The next prime is 1361491. The reversal of 1361477 is 7741631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7741631 = 26892879.

It can be written as a sum of positive squares in 2 ways, for example, as 863041 + 498436 = 929^2 + 706^2 .

It is a de Polignac number, because none of the positive numbers 2k-1361477 is a prime.

It is a d-powerful number, because it can be written as 1 + 311 + 64 + 1 + 410 + 75 + 76 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361471) 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, 52352 + ... + 52377.

It is an arithmetic number, because the mean of its divisors is an integer number (366555).

21361477 is an apocalyptic number.

It is an amenable number.

1361477 is a deficient number, since it is larger than the sum of its proper divisors (104743).

1361477 is a wasteful number, since it uses less digits than its factorization.

1361477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104742.

The product of its digits is 3528, while the sum is 29.

The square root of 1361477 is about 1166.8234656537. The cubic root of 1361477 is about 110.8332588363.

The spelling of 1361477 in words is "one million, three hundred sixty-one thousand, four hundred seventy-seven".

Divisors: 1 13 104729 1361477