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317202212 = 2279300553
BaseRepresentation
bin10010111010000…
…001111100100100
3211002212112122002
4102322001330210
51122200432322
651250424432
710601113535
oct2272017444
9732775562
10317202212
11153063798
128a292118
1350941922
14301b068c
151ccaac92
hex12e81f24

317202212 has 6 divisors (see below), whose sum is σ = 555103878. Its totient is φ = 158601104.

The previous prime is 317202211. The next prime is 317202233. The reversal of 317202212 is 212202713.

It can be written as a sum of positive squares in only one way, i.e., 198697216 + 118504996 = 14096^2 + 10886^2 .

It is not an unprimeable number, because it can be changed into a prime (317202211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39650273 + ... + 39650280.

It is an arithmetic number, because the mean of its divisors is an integer number (92517313).

Almost surely, 2317202212 is an apocalyptic number.

It is an amenable number.

317202212 is a deficient number, since it is larger than the sum of its proper divisors (237901666).

317202212 is a wasteful number, since it uses less digits than its factorization.

317202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79300557 (or 79300555 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 317202212 is about 17810.1715881684. The cubic root of 317202212 is about 681.9911448987.

Adding to 317202212 its reverse (212202713), we get a palindrome (529404925).

The spelling of 317202212 in words is "three hundred seventeen million, two hundred two thousand, two hundred twelve".

Divisors: 1 2 4 79300553 158601106 317202212