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1303334144 = 287314843
BaseRepresentation
bin100110110101111…
…0100110100000000
310100211110020022222
41031223310310000
510132123143034
6333154550212
744204105000
oct11553646400
93324406288
101303334144
11609775262
12304598368
1317a034748
14c514c000
157964d12e
hex4daf4d00

1303334144 has 72 divisors (see below), whose sum is σ = 3034113600. Its totient is φ = 558534144.

The previous prime is 1303334119. The next prime is 1303334161. The reversal of 1303334144 is 4414333031.

It is a happy number.

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, 80387 + ... + 95229.

Almost surely, 21303334144 is an apocalyptic number.

1303334144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303334144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1517056800).

1303334144 is an abundant number, since it is smaller than the sum of its proper divisors (1730779456).

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

1303334144 is an frugal number, since it uses more digits than its factorization.

1303334144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14880 (or 14852 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 1303334144 is about 36101.7194050367. The cubic root of 1303334144 is about 1092.3251278210.

Adding to 1303334144 its reverse (4414333031), we get a palindrome (5717667175).

The spelling of 1303334144 in words is "one billion, three hundred three million, three hundred thirty-four thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 343 392 448 686 784 896 1372 1568 1792 2744 3136 5488 6272 10976 12544 14843 21952 29686 43904 59372 87808 103901 118744 207802 237488 415604 474976 727307 831208 949952 1454614 1662416 1899904 2909228 3324832 3799808 5091149 5818456 6649664 10182298 11636912 13299328 20364596 23273824 26598656 40729192 46547648 81458384 93095296 162916768 186190592 325833536 651667072 1303334144