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1102248 = 23397
BaseRepresentation
bin100001101000110101000
32002000000000
410031012220
5240232443
635343000
712240360
oct4150650
92060000
101102248
11693154
12451a60
132c7924
142099a0
1516b8d3
hex10d1a8

1102248 has 80 divisors (see below), whose sum is σ = 3542880. Its totient is φ = 314928.

The previous prime is 1102243. The next prime is 1102249. The reversal of 1102248 is 8422011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1102248.

It is not an unprimeable number, because it can be changed into a prime (1102243) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 157461 + ... + 157467.

It is an arithmetic number, because the mean of its divisors is an integer number (44286).

21102248 is an apocalyptic number.

1102248 is a gapful number since it is divisible by the number (18) 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 1102248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1771440).

1102248 is an abundant number, since it is smaller than the sum of its proper divisors (2440632).

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

1102248 is an frugal number, since it uses more digits than its factorization.

1102248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40 (or 12 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1102248 is about 1049.8799931421. The cubic root of 1102248 is about 103.2982838697.

Adding to 1102248 its reverse (8422011), we get a palindrome (9524259).

The spelling of 1102248 in words is "one million, one hundred two thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 81 84 108 126 162 168 189 216 243 252 324 378 486 504 567 648 729 756 972 1134 1458 1512 1701 1944 2187 2268 2916 3402 4374 4536 5103 5832 6561 6804 8748 10206 13122 13608 15309 17496 19683 20412 26244 30618 39366 40824 45927 52488 61236 78732 91854 122472 137781 157464 183708 275562 367416 551124 1102248