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317448442 = 22940113649
BaseRepresentation
bin10010111010111…
…110000011111010
3211010100001101201
4102322332003322
51122231322232
651300004414
710603160443
oct2272760372
9733301351
10317448442
11153211793
128a39070a
13509c9a1c
14302362ca
151cd08be7
hex12ebe0fa

317448442 has 16 divisors (see below), whose sum is σ = 493857000. Its totient is φ = 152857600.

The previous prime is 317448433. The next prime is 317448473. The reversal of 317448442 is 244844713.

It can be written as a sum of positive squares in 4 ways, for example, as 295461721 + 21986721 = 17189^2 + 4689^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16434 + ... + 30082.

Almost surely, 2317448442 is an apocalyptic number.

317448442 is a deficient number, since it is larger than the sum of its proper divisors (176408558).

317448442 is a wasteful number, since it uses less digits than its factorization.

317448442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14081.

The product of its digits is 86016, while the sum is 37.

The square root of 317448442 is about 17817.0828700997. The cubic root of 317448442 is about 682.1675657439.

It can be divided in two parts, 31744 and 8442, that added together give a triangular number (40186 = T283).

The spelling of 317448442 in words is "three hundred seventeen million, four hundred forty-eight thousand, four hundred forty-two".

Divisors: 1 2 29 58 401 802 11629 13649 23258 27298 395821 791642 5473249 10946498 158724221 317448442