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1128192 = 28313113
BaseRepresentation
bin100010011011100000000
32010022120220
410103130000
5242100232
640103040
712406122
oct4233400
92108526
101128192
1170069a
12464a80
13306690
14215212
1517442c
hex113700

1128192 has 72 divisors (see below), whose sum is σ = 3262224. Its totient is φ = 344064.

The previous prime is 1128181. The next prime is 1128209. The reversal of 1128192 is 2918211.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9928 + ... + 10040.

21128192 is an apocalyptic number.

1128192 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 1128192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1631112).

1128192 is an abundant number, since it is smaller than the sum of its proper divisors (2134032).

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

1128192 is a wasteful number, since it uses less digits than its factorization.

1128192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 131 counting only the distinct ones).

The product of its digits is 288, while the sum is 24.

The square root of 1128192 is about 1062.1638291714. The cubic root of 1128192 is about 104.1024631205.

It can be divided in two parts, 11 and 28192, that added together give a triangular number (28203 = T237).

The spelling of 1128192 in words is "one million, one hundred twenty-eight thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 113 128 156 192 208 226 256 312 339 384 416 452 624 678 768 832 904 1248 1356 1469 1664 1808 2496 2712 2938 3328 3616 4407 4992 5424 5876 7232 8814 9984 10848 11752 14464 17628 21696 23504 28928 35256 43392 47008 70512 86784 94016 141024 188032 282048 376064 564096 1128192