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1429147 = 6772111
BaseRepresentation
bin101011100111010011011
32200121102101
411130322123
5331213042
650344231
715101416
oct5347233
92617371
101429147
11896815
1258b077
133b0665
14292b7d
151d36b7
hex15ce9b

1429147 has 4 divisors (see below), whose sum is σ = 1431936. Its totient is φ = 1426360.

The previous prime is 1429133. The next prime is 1429163. The reversal of 1429147 is 7419241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7419241 = 11365657.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1429147 is a prime.

It is a super-2 number, since 2×14291472 = 4084922295218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1429117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379 + ... + 1732.

It is an arithmetic number, because the mean of its divisors is an integer number (357984).

21429147 is an apocalyptic number.

1429147 is a deficient number, since it is larger than the sum of its proper divisors (2789).

1429147 is an equidigital number, since it uses as much as digits as its factorization.

1429147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788.

The product of its digits is 2016, while the sum is 28.

The square root of 1429147 is about 1195.4693638902. The cubic root of 1429147 is about 112.6399115225.

It can be divided in two parts, 14 and 29147, that added together give a triangular number (29161 = T241).

The spelling of 1429147 in words is "one million, four hundred twenty-nine thousand, one hundred forty-seven".

Divisors: 1 677 2111 1429147