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1143192 = 2331923109
BaseRepresentation
bin100010111000110011000
32011002011110
410113012120
5243040232
640300320
712500631
oct4270630
92132143
101143192
11710996
124716a0
1331045b
1421a888
15178acc
hex117198

1143192 has 64 divisors (see below), whose sum is σ = 3168000. Its totient is φ = 342144.

The previous prime is 1143167. The next prime is 1143193. The reversal of 1143192 is 2913411.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10434 + ... + 10542.

It is an arithmetic number, because the mean of its divisors is an integer number (49500).

21143192 is an apocalyptic number.

1143192 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 1143192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1584000).

1143192 is an abundant number, since it is smaller than the sum of its proper divisors (2024808).

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

1143192 is a wasteful number, since it uses less digits than its factorization.

1143192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 156 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

The square root of 1143192 is about 1069.2015712671. The cubic root of 1143192 is about 104.5618019233.

The spelling of 1143192 in words is "one million, one hundred forty-three thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 19 23 24 38 46 57 69 76 92 109 114 138 152 184 218 228 276 327 436 437 456 552 654 872 874 1308 1311 1748 2071 2507 2616 2622 3496 4142 5014 5244 6213 7521 8284 10028 10488 12426 15042 16568 20056 24852 30084 47633 49704 60168 95266 142899 190532 285798 381064 571596 1143192