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1342431 = 32149159
BaseRepresentation
bin101000111101111011111
32112012110200
411013233133
5320424211
644434543
714260536
oct5075737
92465420
101342431
11837652
12548a53
1338004c
1426d31d
151b7b56
hex147bdf

1342431 has 6 divisors (see below), whose sum is σ = 1939080. Its totient is φ = 894948.

The previous prime is 1342423. The next prime is 1342433.

1342431 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1342431 - 23 = 1342423 is a prime.

It is a super-2 number, since 2×13424312 = 3604241979522, which contains 22 as substring.

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74571 + ... + 74588.

It is an arithmetic number, because the mean of its divisors is an integer number (323180).

21342431 is an apocalyptic number.

1342431 is a deficient number, since it is larger than the sum of its proper divisors (596649).

1342431 is a wasteful number, since it uses less digits than its factorization.

1342431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149165 (or 149162 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 1342431 is about 1158.6332465453. The cubic root of 1342431 is about 110.3140063647.

The spelling of 1342431 in words is "one million, three hundred forty-two thousand, four hundred thirty-one".

Divisors: 1 3 9 149159 447477 1342431