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1143132 = 22395261
BaseRepresentation
bin100010111000101011100
32011002002020
410113011130
5243040012
640300140
712500514
oct4270534
92132066
101143132
11710941
12471650
13310413
1421a844
15178a8c
hex11715c

1143132 has 12 divisors (see below), whose sum is σ = 2667336. Its totient is φ = 381040.

The previous prime is 1143113. The next prime is 1143143. The reversal of 1143132 is 2313411.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 47619 + ... + 47642.

It is an arithmetic number, because the mean of its divisors is an integer number (222278).

21143132 is an apocalyptic number.

1143132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1143132 is an abundant number, since it is smaller than the sum of its proper divisors (1524204).

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

1143132 is a wasteful number, since it uses less digits than its factorization.

1143132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95268 (or 95266 counting only the distinct ones).

The product of its digits is 72, while the sum is 15.

The square root of 1143132 is about 1069.1735125788. The cubic root of 1143132 is about 104.5599725957.

Adding to 1143132 its reverse (2313411), we get a palindrome (3456543).

It can be divided in two parts, 1143 and 132, that added together give a triangular number (1275 = T50).

The spelling of 1143132 in words is "one million, one hundred forty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 95261 190522 285783 381044 571566 1143132