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1142344 = 23720399
BaseRepresentation
bin100010110111001001000
32011001000001
410112321020
5243023334
640252344
712465310
oct4267110
92131001
101142344
11710295
124710b4
1330cc58
1421a440
15178714
hex116e48

1142344 has 16 divisors (see below), whose sum is σ = 2448000. Its totient is φ = 489552.

The previous prime is 1142333. The next prime is 1142353. The reversal of 1142344 is 4432411.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10144 + ... + 10255.

It is an arithmetic number, because the mean of its divisors is an integer number (153000).

21142344 is an apocalyptic number.

1142344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1142344 is an abundant number, since it is smaller than the sum of its proper divisors (1305656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142344 is a wasteful number, since it uses less digits than its factorization.

1142344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20412 (or 20408 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 1142344 is about 1068.8049401083. The cubic root of 1142344 is about 104.5359414842.

Adding to 1142344 its reverse (4432411), we get a palindrome (5574755).

The spelling of 1142344 in words is "one million, one hundred forty-two thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 20399 40798 81596 142793 163192 285586 571172 1142344