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1248426 = 23361379
BaseRepresentation
bin100110000110010101010
32100102112000
410300302222
5304422201
642431430
713416504
oct4606252
92312460
101248426
11782a63
12502576
1334931a
14246d74
15199d86
hex130caa

1248426 has 32 divisors (see below), whose sum is σ = 2827200. Its totient is φ = 408240.

The previous prime is 1248413. The next prime is 1248427. The reversal of 1248426 is 6248421.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1248426.

It is not an unprimeable number, because it can be changed into a prime (1248427) 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, 3105 + ... + 3483.

It is an arithmetic number, because the mean of its divisors is an integer number (88350).

21248426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1248426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1413600).

1248426 is an abundant number, since it is smaller than the sum of its proper divisors (1578774).

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

1248426 is a wasteful number, since it uses less digits than its factorization.

1248426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 445 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 1248426 is about 1117.3298528188. The cubic root of 1248426 is about 107.6765011076.

The spelling of 1248426 in words is "one million, two hundred forty-eight thousand, four hundred twenty-six".

Divisors: 1 2 3 6 9 18 27 54 61 122 183 366 379 549 758 1098 1137 1647 2274 3294 3411 6822 10233 20466 23119 46238 69357 138714 208071 416142 624213 1248426