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1241404424 = 231331212421
BaseRepresentation
bin100100111111110…
…0101010000001000
310012111220212201122
41021333211100020
510020244420144
6323103334412
742522522611
oct11177452010
93174825648
101241404424
11587816577
122a78b1408
1316a260340
14bac2ac08
1573eb87ee
hex49fe5408

1241404424 has 48 divisors (see below), whose sum is σ = 2590359660. Its totient is φ = 554428800.

The previous prime is 1241404403. The next prime is 1241404429. The reversal of 1241404424 is 4244041421.

It can be written as a sum of positive squares in 2 ways, for example, as 1227100900 + 14303524 = 35030^2 + 3782^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 1241404393 and 1241404402.

It is not an unprimeable number, because it can be changed into a prime (1241404429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93734 + ... + 106154.

Almost surely, 21241404424 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 1241404424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1295179830).

1241404424 is an abundant number, since it is smaller than the sum of its proper divisors (1348955236).

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

1241404424 is a wasteful number, since it uses less digits than its factorization.

1241404424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12502 (or 12467 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 1241404424 is about 35233.5695608606. The cubic root of 1241404424 is about 1074.7425160140.

Adding to 1241404424 its reverse (4244041421), we get a palindrome (5485445845).

The spelling of 1241404424 in words is "one billion, two hundred forty-one million, four hundred four thousand, four hundred twenty-four".

Divisors: 1 2 4 8 13 26 31 52 62 104 124 248 403 806 961 1612 1922 3224 3844 7688 12421 12493 24842 24986 49684 49972 99368 99944 161473 322946 385051 645892 770102 1291784 1540204 3080408 5005663 10011326 11936581 20022652 23873162 40045304 47746324 95492648 155175553 310351106 620702212 1241404424