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1369423 = 11124493
BaseRepresentation
bin101001110010101001111
32120120111101
411032111033
5322310143
645203531
714432326
oct5162517
92516441
101369423
11855960
125605a7
1338c413
142790bd
151c0b4d
hex14e54f

1369423 has 4 divisors (see below), whose sum is σ = 1493928. Its totient is φ = 1244920.

The previous prime is 1369411. The next prime is 1369427. The reversal of 1369423 is 3249631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1369423 - 25 = 1369391 is a prime.

It is a Duffinian number.

1369423 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1369391 and 1369400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369427) 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, 62236 + ... + 62257.

It is an arithmetic number, because the mean of its divisors is an integer number (373482).

21369423 is an apocalyptic number.

1369423 is a deficient number, since it is larger than the sum of its proper divisors (124505).

1369423 is a wasteful number, since it uses less digits than its factorization.

1369423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124504.

The product of its digits is 3888, while the sum is 28.

The square root of 1369423 is about 1170.2234829296. The cubic root of 1369423 is about 111.0484597540.

It can be divided in two parts, 136 and 9423, that added together give a palindrome (9559).

The spelling of 1369423 in words is "one million, three hundred sixty-nine thousand, four hundred twenty-three".

Divisors: 1 11 124493 1369423