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313432443 = 33109106501
BaseRepresentation
bin10010101011101…
…001100101111011
3210211210000111000
4102223221211323
51120214314233
651033540043
710524063132
oct2253514573
9724700430
10313432443
11150a19485
1288b74623
134cc21aac
142d8ac919
151c7b3d13
hex12ae997b

313432443 has 16 divisors (see below), whose sum is σ = 468608800. Its totient is φ = 207036000.

The previous prime is 313432433. The next prime is 313432481. The reversal of 313432443 is 344234313.

It is not a de Polignac number, because 313432443 - 29 = 313431931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313432403) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 50308 + ... + 56193.

It is an arithmetic number, because the mean of its divisors is an integer number (29288050).

Almost surely, 2313432443 is an apocalyptic number.

313432443 is a deficient number, since it is larger than the sum of its proper divisors (155176357).

313432443 is a wasteful number, since it uses less digits than its factorization.

313432443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106619 (or 106613 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 313432443 is about 17704.0233562883. The cubic root of 313432443 is about 679.2786778776.

Adding to 313432443 its reverse (344234313), we get a palindrome (657666756).

The spelling of 313432443 in words is "three hundred thirteen million, four hundred thirty-two thousand, four hundred forty-three".

Divisors: 1 3 9 27 109 327 981 2943 106501 319503 958509 2875527 11608609 34825827 104477481 313432443