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317420132 = 22271443661
BaseRepresentation
bin10010111010110…
…111001001100100
3211010021121120012
4102322313021210
51122224421012
651255225352
710603012061
oct2272671144
9733247505
10317420132
111531a2497
128a378258
13509b9b83
1430229c68
151cd00622
hex12eb7264

317420132 has 24 divisors (see below), whose sum is σ = 559638912. Its totient is φ = 157528800.

The previous prime is 317420123. The next prime is 317420143. The reversal of 317420132 is 231024713.

It is a junction number, because it is equal to n+sod(n) for n = 317420098 and 317420107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479882 + ... + 480542.

It is an arithmetic number, because the mean of its divisors is an integer number (23318288).

Almost surely, 2317420132 is an apocalyptic number.

It is an amenable number.

317420132 is a deficient number, since it is larger than the sum of its proper divisors (242218780).

317420132 is a wasteful number, since it uses less digits than its factorization.

317420132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 317420132 is about 17816.2883901221. The cubic root of 317420132 is about 682.1472866105.

Adding to 317420132 its reverse (231024713), we get a palindrome (548444845).

The spelling of 317420132 in words is "three hundred seventeen million, four hundred twenty thousand, one hundred thirty-two".

Divisors: 1 2 4 271 443 542 661 886 1084 1322 1772 2644 120053 179131 240106 292823 358262 480212 585646 716524 1171292 79355033 158710066 317420132