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1349429 = 3114339
BaseRepresentation
bin101001001011100110101
32112120001212
411021130311
5321140204
644531205
714320124
oct5113465
92476055
101349429
11841934
12550b05
133832a3
14271abb
151b9c6e
hex149735

1349429 has 4 divisors (see below), whose sum is σ = 1354080. Its totient is φ = 1344780.

The previous prime is 1349423. The next prime is 1349471. The reversal of 1349429 is 9249431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1349429 is a prime.

It is a super-3 number, since 3×13494293 = 7371763133339641767, which contains 333 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1349395 and 1349404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349423) 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 3 ways as a sum of consecutive naturals, for example, 1859 + ... + 2480.

It is an arithmetic number, because the mean of its divisors is an integer number (338520).

21349429 is an apocalyptic number.

It is an amenable number.

1349429 is a deficient number, since it is larger than the sum of its proper divisors (4651).

1349429 is an equidigital number, since it uses as much as digits as its factorization.

1349429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650.

The product of its digits is 7776, while the sum is 32.

The square root of 1349429 is about 1161.6492585974. The cubic root of 1349429 is about 110.5053606730.

The spelling of 1349429 in words is "one million, three hundred forty-nine thousand, four hundred twenty-nine".

Divisors: 1 311 4339 1349429