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1142232 = 233713523
BaseRepresentation
bin100010110110111011000
32011000211220
410112313120
5243022412
640252040
712465060
oct4266730
92130756
101142232
117101a3
12471020
1330cba0
1421a3a0
1517868c
hex116dd8

1142232 has 64 divisors (see below), whose sum is σ = 3521280. Its totient is φ = 300672.

The previous prime is 1142201. The next prime is 1142233. The reversal of 1142232 is 2322411.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1923 + ... + 2445.

It is an arithmetic number, because the mean of its divisors is an integer number (55020).

21142232 is an apocalyptic number.

1142232 is a gapful number since it is divisible by the number (12) 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 1142232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1760640).

1142232 is an abundant number, since it is smaller than the sum of its proper divisors (2379048).

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

1142232 is a wasteful number, since it uses less digits than its factorization.

1142232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 548 counting only the distinct ones).

The product of its digits is 96, while the sum is 15.

The square root of 1142232 is about 1068.7525438566. The cubic root of 1142232 is about 104.5325249978.

Adding to 1142232 its reverse (2322411), we get a palindrome (3464643).

It can be divided in two parts, 114 and 2232, that added together give a triangular number (2346 = T68).

The spelling of 1142232 in words is "one million, one hundred forty-two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 78 84 91 104 156 168 182 273 312 364 523 546 728 1046 1092 1569 2092 2184 3138 3661 4184 6276 6799 7322 10983 12552 13598 14644 20397 21966 27196 29288 40794 43932 47593 54392 81588 87864 95186 142779 163176 190372 285558 380744 571116 1142232