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1301421444 = 223246743961
BaseRepresentation
bin100110110010010…
…0001110110000100
310100200212001121020
41031210201312010
510131130441234
6333045551140
744151620421
oct11544416604
93320761536
101301421444
11608689214
12303a154b0
13179814c7b
14c4bb0d48
15793c1549
hex4d921d84

1301421444 has 24 divisors (see below), whose sum is σ = 3037950048. Its totient is φ = 433621440.

The previous prime is 1301421439. The next prime is 1301421521. The reversal of 1301421444 is 4441241031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7624 + ... + 51584.

It is an arithmetic number, because the mean of its divisors is an integer number (126581252).

Almost surely, 21301421444 is an apocalyptic number.

It is an amenable number.

1301421444 is an abundant number, since it is smaller than the sum of its proper divisors (1736528604).

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

1301421444 is a wasteful number, since it uses less digits than its factorization.

1301421444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46435 (or 46433 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1301421444 is about 36075.2192508930. The cubic root of 1301421444 is about 1091.7905212104.

Adding to 1301421444 its reverse (4441241031), we get a palindrome (5742662475).

The spelling of 1301421444 in words is "one billion, three hundred one million, four hundred twenty-one thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 2467 4934 7401 9868 14802 29604 43961 87922 131883 175844 263766 527532 108451787 216903574 325355361 433807148 650710722 1301421444