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1132940 = 225371531
BaseRepresentation
bin100010100100110001100
32010120002202
410110212030
5242223230
640141032
712426014
oct4244614
92116082
101132940
11704216
12467778
133088a3
14216c44
15175a45
hex11498c

1132940 has 24 divisors (see below), whose sum is σ = 2445072. Its totient is φ = 440640.

The previous prime is 1132933. The next prime is 1132949. The reversal of 1132940 is 492311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (1132949) 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, 26 + ... + 1505.

It is an arithmetic number, because the mean of its divisors is an integer number (101878).

21132940 is an apocalyptic number.

1132940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1132940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1222536).

1132940 is an abundant number, since it is smaller than the sum of its proper divisors (1312132).

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

1132940 is a wasteful number, since it uses less digits than its factorization.

1132940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577 (or 1575 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1132940 is about 1064.3965426475. The cubic root of 1132940 is about 104.2482972576.

The spelling of 1132940 in words is "one million, one hundred thirty-two thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 1531 3062 6124 7655 15310 30620 56647 113294 226588 283235 566470 1132940