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8349312 = 273171279
BaseRepresentation
bin11111110110011010000000
3120201012002210
4133312122000
54114134222
6454542120
7130653006
oct37663200
916635083
108349312
114792a64
122967940
13196442a
141174a76
15aedd0c
hex7f6680

8349312 has 64 divisors (see below), whose sum is σ = 23500800. Its totient is φ = 2617344.

The previous prime is 8349311. The next prime is 8349337. The reversal of 8349312 is 2139438.

8349312 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×83493122 = 139422021746688, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8349312.

It is not an unprimeable number, because it can be changed into a prime (8349311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5889 + ... + 7167.

It is an arithmetic number, because the mean of its divisors is an integer number (367200).

Almost surely, 28349312 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 8349312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11750400).

8349312 is an abundant number, since it is smaller than the sum of its proper divisors (15151488).

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

8349312 is a wasteful number, since it uses less digits than its factorization.

8349312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1301 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 8349312 is about 2889.5176067988. The cubic root of 8349312 is about 202.8695644239.

The spelling of 8349312 in words is "eight million, three hundred forty-nine thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 64 68 96 102 128 136 192 204 272 384 408 544 816 1088 1279 1632 2176 2558 3264 3837 5116 6528 7674 10232 15348 20464 21743 30696 40928 43486 61392 65229 81856 86972 122784 130458 163712 173944 245568 260916 347888 491136 521832 695776 1043664 1391552 2087328 2783104 4174656 8349312