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1361493 = 32721611
BaseRepresentation
bin101001100011001010101
32120011121200
411030121111
5322031433
645103113
714400240
oct5143125
92504550
101361493
1184aa01
12557a99
13388923
14276257
151bd613
hex14c655

1361493 has 12 divisors (see below), whose sum is σ = 2247648. Its totient is φ = 777960.

The previous prime is 1361491. The next prime is 1361497. The reversal of 1361493 is 3941631.

It is not a de Polignac number, because 1361493 - 21 = 1361491 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10743 + ... + 10868.

It is an arithmetic number, because the mean of its divisors is an integer number (187304).

21361493 is an apocalyptic number.

It is an amenable number.

1361493 is a deficient number, since it is larger than the sum of its proper divisors (886155).

1361493 is a wasteful number, since it uses less digits than its factorization.

1361493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21624 (or 21621 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 1361493 is about 1166.8303218549. The cubic root of 1361493 is about 110.8336930033.

The spelling of 1361493 in words is "one million, three hundred sixty-one thousand, four hundred ninety-three".

Divisors: 1 3 7 9 21 63 21611 64833 151277 194499 453831 1361493