Search a number
-
+
1312976 = 24719617
BaseRepresentation
bin101000000100011010000
32110201001202
411000203100
5314003401
644050332
714105630
oct5004320
92421052
101312976
11817505
125339a8
1336c812
142626c0
151ae06b
hex1408d0

1312976 has 40 divisors (see below), whose sum is σ = 3065280. Its totient is φ = 532224.

The previous prime is 1312967. The next prime is 1313041. The reversal of 1312976 is 6792131.

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, 1820 + ... + 2436.

It is an arithmetic number, because the mean of its divisors is an integer number (76632).

21312976 is an apocalyptic number.

1312976 is a gapful number since it is divisible by the number (16) 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 1312976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532640).

1312976 is an abundant number, since it is smaller than the sum of its proper divisors (1752304).

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

1312976 is a wasteful number, since it uses less digits than its factorization.

1312976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 645 counting only the distinct ones).

The product of its digits is 2268, while the sum is 29.

The square root of 1312976 is about 1145.8516483385. The cubic root of 1312976 is about 109.5012127775.

The spelling of 1312976 in words is "one million, three hundred twelve thousand, nine hundred seventy-six".

Divisors: 1 2 4 7 8 14 16 19 28 38 56 76 112 133 152 266 304 532 617 1064 1234 2128 2468 4319 4936 8638 9872 11723 17276 23446 34552 46892 69104 82061 93784 164122 187568 328244 656488 1312976