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1378341 = 32295281
BaseRepresentation
bin101010000100000100101
32121000201200
411100200211
5323101331
645313113
714500326
oct5204045
92530650
101378341
11861628
12565799
133934b3
1427c44d
151c35e6
hex150825

1378341 has 12 divisors (see below), whose sum is σ = 2059980. Its totient is φ = 887040.

The previous prime is 1378339. The next prime is 1378373. The reversal of 1378341 is 1438731.

It can be written as a sum of positive squares in 2 ways, for example, as 427716 + 950625 = 654^2 + 975^2 .

It is not a de Polignac number, because 1378341 - 21 = 1378339 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 (1378301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2380 + ... + 2901.

It is an arithmetic number, because the mean of its divisors is an integer number (171665).

21378341 is an apocalyptic number.

It is an amenable number.

1378341 is a deficient number, since it is larger than the sum of its proper divisors (681639).

1378341 is a wasteful number, since it uses less digits than its factorization.

1378341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316 (or 5313 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1378341 is about 1174.0276828082. The cubic root of 1378341 is about 111.2889961344.

It can be divided in two parts, 13783 and 41, that added together give a cube (13824 = 243).

The spelling of 1378341 in words is "one million, three hundred seventy-eight thousand, three hundred forty-one".

Divisors: 1 3 9 29 87 261 5281 15843 47529 153149 459447 1378341