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1341378 = 23274521
BaseRepresentation
bin101000111011111000010
32112011000200
411013133002
5320411003
644430030
714254503
oct5073702
92464020
101341378
11836885
12548316
1337c71c
1426cbaa
151b76a3
hex1477c2

1341378 has 12 divisors (see below), whose sum is σ = 2906358. Its totient is φ = 447120.

The previous prime is 1341371. The next prime is 1341409. The reversal of 1341378 is 8731431.

It can be written as a sum of positive squares in only one way, i.e., 1046529 + 294849 = 1023^2 + 543^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1341371) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 37243 + ... + 37278.

21341378 is an apocalyptic number.

1341378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1341378 is an abundant number, since it is smaller than the sum of its proper divisors (1564980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1341378 is a wasteful number, since it uses less digits than its factorization.

1341378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74529 (or 74526 counting only the distinct ones).

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

The square root of 1341378 is about 1158.1787426818. The cubic root of 1341378 is about 110.2851554632.

The spelling of 1341378 in words is "one million, three hundred forty-one thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 9 18 74521 149042 223563 447126 670689 1341378