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318950093 = 71119311701
BaseRepresentation
bin10011000000101…
…100101011001101
3211020011100021102
4103000230223031
51123122400333
651352112445
710622013440
oct2300545315
9736140242
10318950093
11154047a20
128a995725
1351104387
1430507657
151d003ae8
hex1302cacd

318950093 has 32 divisors (see below), whose sum is σ = 420526080. Its totient is φ = 234360000.

The previous prime is 318950081. The next prime is 318950119. The reversal of 318950093 is 390059813.

It is not a de Polignac number, because 318950093 - 24 = 318950077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318950003) 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 in 31 ways as a sum of consecutive naturals, for example, 454643 + ... + 455343.

It is an arithmetic number, because the mean of its divisors is an integer number (13141440).

Almost surely, 2318950093 is an apocalyptic number.

It is an amenable number.

318950093 is a deficient number, since it is larger than the sum of its proper divisors (101575987).

318950093 is a wasteful number, since it uses less digits than its factorization.

318950093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 318950093 is about 17859.1739170657. The cubic root of 318950093 is about 683.2415108558.

The spelling of 318950093 in words is "three hundred eighteen million, nine hundred fifty thousand, ninety-three".

Divisors: 1 7 11 19 77 133 209 311 701 1463 2177 3421 4907 5909 7711 13319 23947 41363 53977 64999 93233 146509 218011 454993 1025563 1526077 2398121 4142209 16786847 28995463 45564299 318950093