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12841490 = 252944281
BaseRepresentation
bin110000111111…
…001000010010
3220011102012202
4300333020102
511241411430
61135123202
7214102514
oct60771022
926142182
1012841490
117281002
124373502
13287801c
1419c3bb4
1511d9d45
hexc3f212

12841490 has 16 divisors (see below), whose sum is σ = 23912280. Its totient is φ = 4959360.

The previous prime is 12841489. The next prime is 12841523. The reversal of 12841490 is 9414821.

It can be written as a sum of positive squares in 4 ways, for example, as 8708401 + 4133089 = 2951^2 + 2033^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21851 + ... + 22430.

Almost surely, 212841490 is an apocalyptic number.

12841490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12841490 is a deficient number, since it is larger than the sum of its proper divisors (11070790).

12841490 is a wasteful number, since it uses less digits than its factorization.

12841490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44317.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 12841490 is about 3583.5024766281. The cubic root of 12841490 is about 234.1738912481.

It can be divided in two parts, 12841 and 490, that added together give a palindrome (13331).

The spelling of 12841490 in words is "twelve million, eight hundred forty-one thousand, four hundred ninety".

Divisors: 1 2 5 10 29 58 145 290 44281 88562 221405 442810 1284149 2568298 6420745 12841490