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390969094 = 21711499091
BaseRepresentation
bin10111010011011…
…011011100000110
31000020200021202211
4113103123130012
51300042002334
6102443454034
712455116405
oct2723333406
91006607684
10390969094
1119076795a
12aab2731a
1362ccbb79
1439cd363c
15244cca64
hex174db706

390969094 has 8 divisors (see below), whose sum is σ = 620950968. Its totient is φ = 183985440.

The previous prime is 390969091. The next prime is 390969109. The reversal of 390969094 is 490969093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390969091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5749512 + ... + 5749579.

It is an arithmetic number, because the mean of its divisors is an integer number (77618871).

Almost surely, 2390969094 is an apocalyptic number.

390969094 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

390969094 is a deficient number, since it is larger than the sum of its proper divisors (229981874).

390969094 is a wasteful number, since it uses less digits than its factorization.

390969094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11499110.

The product of its (nonzero) digits is 472392, while the sum is 49.

The square root of 390969094 is about 19772.9384260408. The cubic root of 390969094 is about 731.2190141106.

Subtracting 390969094 from its reverse (490969093), we obtain a palindrome (99999999).

The spelling of 390969094 in words is "three hundred ninety million, nine hundred sixty-nine thousand, ninety-four".

Divisors: 1 2 17 34 11499091 22998182 195484547 390969094