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3478272 = 2837647
BaseRepresentation
bin1101010001001100000000
320112201021220
431101030000
51342301042
6202315040
741364510
oct15211400
96481256
103478272
111a66306
1211b8a80
1394a265
14667840
1548a8ec
hex351300

3478272 has 72 divisors (see below), whose sum is σ = 10596096. Its totient is φ = 992256.

The previous prime is 3478271. The next prime is 3478283. The reversal of 3478272 is 2728743.

3478272 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×34782722 = 24196752211968, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (3478271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5053 + ... + 5699.

It is an arithmetic number, because the mean of its divisors is an integer number (147168).

Almost surely, 23478272 is an apocalyptic number.

3478272 is a gapful number since it is divisible by the number (32) 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 3478272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5298048).

3478272 is an abundant number, since it is smaller than the sum of its proper divisors (7117824).

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

3478272 is an equidigital number, since it uses as much as digits as its factorization.

3478272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 659 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 3478272 is about 1865.0126004936. The cubic root of 3478272 is about 151.5146104482.

The spelling of 3478272 in words is "three million, four hundred seventy-eight thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 647 672 768 896 1294 1344 1792 1941 2588 2688 3882 4529 5176 5376 7764 9058 10352 13587 15528 18116 20704 27174 31056 36232 41408 54348 62112 72464 82816 108696 124224 144928 165632 217392 248448 289856 434784 496896 579712 869568 1159424 1739136 3478272