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1238226 = 231173257
BaseRepresentation
bin100101110010011010010
32022220112020
410232103102
5304110401
642312310
713344663
oct4562322
92286466
101238226
11776330
124b8696
133447a2
1424336a
15196d36
hex12e4d2

1238226 has 32 divisors (see below), whose sum is σ = 2749248. Its totient is φ = 368640.

The previous prime is 1238219. The next prime is 1238267. The reversal of 1238226 is 6228321.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1238196 and 1238205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4690 + ... + 4946.

It is an arithmetic number, because the mean of its divisors is an integer number (85914).

21238226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1238226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1374624).

1238226 is an abundant number, since it is smaller than the sum of its proper divisors (1511022).

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

1238226 is a wasteful number, since it uses less digits than its factorization.

1238226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346.

The product of its digits is 1152, while the sum is 24.

The square root of 1238226 is about 1112.7560379526. The cubic root of 1238226 is about 107.3824494762.

The spelling of 1238226 in words is "one million, two hundred thirty-eight thousand, two hundred twenty-six".

Divisors: 1 2 3 6 11 22 33 66 73 146 219 257 438 514 771 803 1542 1606 2409 2827 4818 5654 8481 16962 18761 37522 56283 112566 206371 412742 619113 1238226