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1377413 = 2947497
BaseRepresentation
bin101010000010010000101
32120222110022
411100102011
5323034123
645304525
714464532
oct5202205
92528408
101377413
11860964
12565145
13392c4b
1427bd89
151c31c8
hex150485

1377413 has 4 divisors (see below), whose sum is σ = 1424940. Its totient is φ = 1329888.

The previous prime is 1377407. The next prime is 1377421. The reversal of 1377413 is 3147731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3147731 = 4766973.

It can be written as a sum of positive squares in 2 ways, for example, as 1044484 + 332929 = 1022^2 + 577^2 .

It is a cyclic number.

It is not a de Polignac number, because 1377413 - 26 = 1377349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377403) 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 3 ways as a sum of consecutive naturals, for example, 23720 + ... + 23777.

It is an arithmetic number, because the mean of its divisors is an integer number (356235).

21377413 is an apocalyptic number.

It is an amenable number.

1377413 is a deficient number, since it is larger than the sum of its proper divisors (47527).

1377413 is an equidigital number, since it uses as much as digits as its factorization.

1377413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47526.

The product of its digits is 1764, while the sum is 26.

The square root of 1377413 is about 1173.6323955992. The cubic root of 1377413 is about 111.2640145624.

The spelling of 1377413 in words is "one million, three hundred seventy-seven thousand, four hundred thirteen".

Divisors: 1 29 47497 1377413