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318672 = 24322213
BaseRepresentation
bin1001101110011010000
3121012010200
41031303100
540144142
610455200
72465034
oct1156320
9535120
10318672
111a8472
12134500
13b2083
14841c4
156464c
hex4dcd0

318672 has 30 divisors (see below), whose sum is σ = 892242. Its totient is φ = 106176.

The previous prime is 318671. The next prime is 318677. The reversal of 318672 is 276813.

It can be written as a sum of positive squares in only one way, i.e., 318096 + 576 = 564^2 + 24^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318671) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 963 + ... + 1250.

2318672 is an apocalyptic number.

It is an amenable number.

318672 is an abundant number, since it is smaller than the sum of its proper divisors (573570).

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

318672 is a wasteful number, since it uses less digits than its factorization.

318672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227 (or 2218 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 318672 is about 564.5104073443. The cubic root of 318672 is about 68.3042880062.

It can be divided in two parts, 318 and 672, that added together give a triangular number (990 = T44).

The spelling of 318672 in words is "three hundred eighteen thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 2213 4426 6639 8852 13278 17704 19917 26556 35408 39834 53112 79668 106224 159336 318672