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1368312 = 233117173
BaseRepresentation
bin101001110000011111000
32120111222020
411032003320
5322241222
645154440
714426151
oct5160370
92514866
101368312
11855040
1255ba20
1338ba6a
14278928
151c065c
hex14e0f8

1368312 has 64 divisors (see below), whose sum is σ = 3836160. Its totient is φ = 403200.

The previous prime is 1368287. The next prime is 1368319. The reversal of 1368312 is 2138631.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18708 + ... + 18780.

It is an arithmetic number, because the mean of its divisors is an integer number (59940).

21368312 is an apocalyptic number.

1368312 is a gapful number since it is divisible by the number (12) 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 1368312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1918080).

1368312 is an abundant number, since it is smaller than the sum of its proper divisors (2467848).

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

1368312 is a wasteful number, since it uses less digits than its factorization.

1368312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 160 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 1368312 is about 1169.7486909589. The cubic root of 1368312 is about 111.0184207721.

It can be divided in two parts, 13683 and 12, that added together give a triangular number (13695 = T165).

The spelling of 1368312 in words is "one million, three hundred sixty-eight thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 71 73 88 132 142 146 213 219 264 284 292 426 438 568 584 781 803 852 876 1562 1606 1704 1752 2343 2409 3124 3212 4686 4818 5183 6248 6424 9372 9636 10366 15549 18744 19272 20732 31098 41464 57013 62196 114026 124392 171039 228052 342078 456104 684156 1368312