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1301444404 = 221394126597
BaseRepresentation
bin100110110010010…
…0111011100110100
310100200220020002121
41031210213130310
510131132210104
6333050245324
744152044361
oct11544473464
93320806077
101301444404
116086a4497
12303a26844
13179822560
14c4bb9468
15793c8254
hex4d927734

1301444404 has 24 divisors (see below), whose sum is σ = 2455420968. Its totient is φ = 600005760.

The previous prime is 1301444393. The next prime is 1301444411. The reversal of 1301444404 is 4044441031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 288932004 + 1012512400 = 16998^2 + 31820^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35634 + ... + 62230.

It is an arithmetic number, because the mean of its divisors is an integer number (102309207).

Almost surely, 21301444404 is an apocalyptic number.

It is an amenable number.

1301444404 is a deficient number, since it is larger than the sum of its proper divisors (1153976564).

1301444404 is a wasteful number, since it uses less digits than its factorization.

1301444404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27555 (or 27553 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1301444404 is about 36075.5374734736. The cubic root of 1301444404 is about 1091.7969417190.

Adding to 1301444404 its reverse (4044441031), we get a palindrome (5345885435).

The spelling of 1301444404 in words is "one billion, three hundred one million, four hundred forty-four thousand, four hundred four".

Divisors: 1 2 4 13 26 52 941 1882 3764 12233 24466 26597 48932 53194 106388 345761 691522 1383044 25027777 50055554 100111108 325361101 650722202 1301444404