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1241408 = 26717163
BaseRepresentation
bin100101111000101000000
32100001220002
410233011000
5304211113
642335132
713360160
oct4570500
92301802
101241408
11778763
124ba4a8
1334607c
142445a0
15197c58
hex12f140

1241408 has 56 divisors (see below), whose sum is σ = 2999232. Its totient is φ = 497664.

The previous prime is 1241407. The next prime is 1241413. The reversal of 1241408 is 8041421.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 1241408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7535 + ... + 7697.

21241408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1241408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1499616).

1241408 is an abundant number, since it is smaller than the sum of its proper divisors (1757824).

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

1241408 is a wasteful number, since it uses less digits than its factorization.

1241408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1241408 is about 1114.1849038647. The cubic root of 1241408 is about 107.4743547984.

Adding to 1241408 its reverse (8041421), we get a palindrome (9282829).

The spelling of 1241408 in words is "one million, two hundred forty-one thousand, four hundred eight".

Divisors: 1 2 4 7 8 14 16 17 28 32 34 56 64 68 112 119 136 163 224 238 272 326 448 476 544 652 952 1088 1141 1304 1904 2282 2608 2771 3808 4564 5216 5542 7616 9128 10432 11084 18256 19397 22168 36512 38794 44336 73024 77588 88672 155176 177344 310352 620704 1241408