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319262742 = 23311352321
BaseRepresentation
bin10011000001111…
…001000000010110
3211020202020011000
4103001321000112
51123212401432
651402524130
710624455111
oct2301710026
9736666130
10319262742
11154240907
128ab06646
13511b3786
1430589578
151d06657c
hex13079016

319262742 has 32 divisors (see below), whose sum is σ = 715764960. Its totient is φ = 105477120.

The previous prime is 319262729. The next prime is 319262743. The reversal of 319262742 is 247262913.

It is a junction number, because it is equal to n+sod(n) for n = 319262697 and 319262706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319262743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20059 + ... + 32262.

It is an arithmetic number, because the mean of its divisors is an integer number (22367655).

Almost surely, 2319262742 is an apocalyptic number.

319262742 is an abundant number, since it is smaller than the sum of its proper divisors (396502218).

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

319262742 is a wasteful number, since it uses less digits than its factorization.

319262742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52445 (or 52439 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 319262742 is about 17867.9249494730. The cubic root of 319262742 is about 683.4646858076.

The spelling of 319262742 in words is "three hundred nineteen million, two hundred sixty-two thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 113 226 339 678 1017 2034 3051 6102 52321 104642 156963 313926 470889 941778 1412667 2825334 5912273 11824546 17736819 35473638 53210457 106420914 159631371 319262742