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1306484448 = 2531492613
BaseRepresentation
bin100110111011111…
…0101111011100000
310101001101021201220
41031313311323200
510133430000243
6333350255040
744242635363
oct11567657340
93331337656
101306484448
11610527115
12305657480
1317a898629
14c572c0da
1579a71783
hex4ddf5ee0

1306484448 has 72 divisors (see below), whose sum is σ = 3458325528. Its totient is φ = 431866368.

The previous prime is 1306484447. The next prime is 1306484461. The reversal of 1306484448 is 8444846031.

It is a super-2 number, since 2×13064844482 = 3413803225731729408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306484447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2130990 + ... + 2131602.

It is an arithmetic number, because the mean of its divisors is an integer number (48032299).

Almost surely, 21306484448 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 1306484448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1729162764).

1306484448 is an abundant number, since it is smaller than the sum of its proper divisors (2151841080).

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

1306484448 is an equidigital number, since it uses as much as digits as its factorization.

1306484448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924 (or 767 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 42.

The square root of 1306484448 is about 36145.3240129342. The cubic root of 1306484448 is about 1093.2045102367.

The spelling of 1306484448 in words is "one billion, three hundred six million, four hundred eighty-four thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 149 298 447 596 613 894 1192 1226 1788 1839 2384 2452 3576 3678 4768 4904 7152 7356 9808 14304 14712 19616 22201 29424 44402 58848 66603 88804 91337 133206 177608 182674 266412 274011 355216 365348 532824 548022 710432 730696 1065648 1096044 1461392 2131296 2192088 2922784 4384176 8768352 13609213 27218426 40827639 54436852 81655278 108873704 163310556 217747408 326621112 435494816 653242224 1306484448