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1132540 = 225173331
BaseRepresentation
bin100010100011111111100
32010112112221
410110133330
5242220130
640135124
712424603
oct4243774
92115487
101132540
11703992
124674a4
13308656
14216a3a
1517587a
hex1147fc

1132540 has 24 divisors (see below), whose sum is σ = 2518992. Its totient is φ = 426240.

The previous prime is 1132529. The next prime is 1132541. The reversal of 1132540 is 452311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1326 + ... + 2005.

It is an arithmetic number, because the mean of its divisors is an integer number (104958).

21132540 is an apocalyptic number.

1132540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1132540 is an abundant number, since it is smaller than the sum of its proper divisors (1386452).

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

1132540 is a wasteful number, since it uses less digits than its factorization.

1132540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3357 (or 3355 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1132540 is about 1064.2086261631. The cubic root of 1132540 is about 104.2360270499.

Adding to 1132540 its reverse (452311), we get a palindrome (1584851).

The spelling of 1132540 in words is "one million, one hundred thirty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 3331 6662 13324 16655 33310 56627 66620 113254 226508 283135 566270 1132540