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390967293 = 3534724373
BaseRepresentation
bin10111010011011…
…010111111111101
31000020200012022010
4113103122333331
51300041423133
6102443441433
712455111223
oct2723327775
91006605263
10390967293
11190766572
12aab26279
1362ccb0c2
1439cd2b13
15244cc263
hex174daffd

390967293 has 8 divisors (see below), whose sum is σ = 521408608. Its totient is φ = 260585424.

The previous prime is 390967289. The next prime is 390967303. The reversal of 390967293 is 392769093.

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

It is not a de Polignac number, because 390967293 - 22 = 390967289 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 (390967253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3855 + ... + 28227.

It is an arithmetic number, because the mean of its divisors is an integer number (65176076).

Almost surely, 2390967293 is an apocalyptic number.

It is an amenable number.

390967293 is a deficient number, since it is larger than the sum of its proper divisors (130441315).

390967293 is a wasteful number, since it uses less digits than its factorization.

390967293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29723.

The product of its (nonzero) digits is 551124, while the sum is 48.

The square root of 390967293 is about 19772.8928839459. The cubic root of 390967293 is about 731.2178913215.

The spelling of 390967293 in words is "three hundred ninety million, nine hundred sixty-seven thousand, two hundred ninety-three".

Divisors: 1 3 5347 16041 24373 73119 130322431 390967293