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1303968 = 25317247
BaseRepresentation
bin100111110010110100000
32110020201010
410332112200
5313211333
643540520
714040441
oct4762640
92406633
101303968
11810766
1252a740
133686a3
1425d2c8
151ab563
hex13e5a0

1303968 has 72 divisors (see below), whose sum is σ = 3713472. Its totient is φ = 400384.

The previous prime is 1303963. The next prime is 1303979. The reversal of 1303968 is 8693031.

It is not an unprimeable number, because it can be changed into a prime (1303961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27721 + ... + 27767.

It is an arithmetic number, because the mean of its divisors is an integer number (51576).

21303968 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 1303968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1856736).

1303968 is an abundant number, since it is smaller than the sum of its proper divisors (2409504).

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

1303968 is a wasteful number, since it uses less digits than its factorization.

1303968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1303968 is about 1141.9141824148. The cubic root of 1303968 is about 109.2502177487.

Adding to 1303968 its reverse (8693031), we get a palindrome (9996999).

The spelling of 1303968 in words is "one million, three hundred three thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 47 48 51 68 94 96 102 136 141 188 204 272 282 289 376 408 544 564 578 752 799 816 867 1128 1156 1504 1598 1632 1734 2256 2312 2397 3196 3468 4512 4624 4794 6392 6936 9248 9588 12784 13583 13872 19176 25568 27166 27744 38352 40749 54332 76704 81498 108664 162996 217328 325992 434656 651984 1303968