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1226250 = 23254109
BaseRepresentation
bin100101011011000001010
32022022002200
410223120022
5303220000
642141030
713265034
oct4533012
92268080
101226250
11768333
124b1776
1333c1bc
1423cc54
15193500
hex12b60a

1226250 has 60 divisors (see below), whose sum is σ = 3350490. Its totient is φ = 324000.

The previous prime is 1226237. The next prime is 1226257. The reversal of 1226250 is 526221.

It can be written as a sum of positive squares in 5 ways, for example, as 53361 + 1172889 = 231^2 + 1083^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1226257) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 11196 + ... + 11304.

21226250 is an apocalyptic number.

1226250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1226250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1675245).

1226250 is an abundant number, since it is smaller than the sum of its proper divisors (2124240).

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

1226250 is a wasteful number, since it uses less digits than its factorization.

1226250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1226250 is about 1107.3617295175. The cubic root of 1226250 is about 107.0351298166.

It can be divided in two parts, 12 and 26250, that added together give a palindrome (26262).

The spelling of 1226250 in words is "one million, two hundred twenty-six thousand, two hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 109 125 150 218 225 250 327 375 450 545 625 654 750 981 1090 1125 1250 1635 1875 1962 2250 2725 3270 3750 4905 5450 5625 8175 9810 11250 13625 16350 24525 27250 40875 49050 68125 81750 122625 136250 204375 245250 408750 613125 1226250