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1304224241 = 1776719073
BaseRepresentation
bin100110110111100…
…1110000111110001
310100220010110022112
41031233032013301
510132340133431
6333230015105
744214503015
oct11557160761
93326113275
101304224241
1160a222a81
12304947495
1317a286928
14c5300545
1579776c2b
hex4dbce1f1

1304224241 has 4 divisors (see below), whose sum is σ = 1380943332. Its totient is φ = 1227505152.

The previous prime is 1304224169. The next prime is 1304224247. The reversal of 1304224241 is 1424224031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1424224031 = 2775141603.

It can be written as a sum of positive squares in 2 ways, for example, as 814531600 + 489692641 = 28540^2 + 22129^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304224241 - 218 = 1303962097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304224247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38359520 + ... + 38359553.

It is an arithmetic number, because the mean of its divisors is an integer number (345235833).

Almost surely, 21304224241 is an apocalyptic number.

It is an amenable number.

1304224241 is a deficient number, since it is larger than the sum of its proper divisors (76719091).

1304224241 is an equidigital number, since it uses as much as digits as its factorization.

1304224241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76719090.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1304224241 is about 36114.0449271471. The cubic root of 1304224241 is about 1092.5737348450.

Adding to 1304224241 its reverse (1424224031), we get a palindrome (2728448272).

The spelling of 1304224241 in words is "one billion, three hundred four million, two hundred twenty-four thousand, two hundred forty-one".

Divisors: 1 17 76719073 1304224241