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317480 = 2357937
BaseRepresentation
bin1001101100000101000
3121010111112
41031200220
540124410
610445452
72461412
oct1154050
9533445
10317480
111a7589
12133888
13b1677
14839b2
1564105
hex4d828

317480 has 16 divisors (see below), whose sum is σ = 714420. Its totient is φ = 126976.

The previous prime is 317459. The next prime is 317483. The reversal of 317480 is 84713.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 293764 + 23716 = 542^2 + 154^2 .

It is an Ulam number.

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 317480.

It is not an unprimeable number, because it can be changed into a prime (317483) 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 3 ways as a sum of consecutive naturals, for example, 3929 + ... + 4008.

2317480 is an apocalyptic number.

It is an amenable number.

317480 is an abundant number, since it is smaller than the sum of its proper divisors (396940).

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

317480 is a wasteful number, since it uses less digits than its factorization.

317480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7948 (or 7944 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 317480 is about 563.4536360696. The cubic root of 317480 is about 68.2190170077.

It can be divided in two parts, 317 and 480, that added together give a palindrome (797).

The spelling of 317480 in words is "three hundred seventeen thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 7937 15874 31748 39685 63496 79370 158740 317480