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193339385 = 51714591559
BaseRepresentation
bin10111000011000…
…01111111111001
3111110210122202222
423201201333321
5343443330020
631103533425
74535233451
oct1341417771
9443718688
10193339385
119a153818
12548ba275
1331094705
141b96ad61
1511e90b25
hexb861ff9

193339385 has 16 divisors (see below), whose sum is σ = 245980800. Its totient is φ = 145380096.

The previous prime is 193339373. The next prime is 193339411. The reversal of 193339385 is 583933391.

It is a cyclic number.

It is not a de Polignac number, because 193339385 - 28 = 193339129 is a prime.

It is an unprimeable number.

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, 123236 + ... + 124794.

It is an arithmetic number, because the mean of its divisors is an integer number (15373800).

Almost surely, 2193339385 is an apocalyptic number.

It is an amenable number.

193339385 is a deficient number, since it is larger than the sum of its proper divisors (52641415).

193339385 is a wasteful number, since it uses less digits than its factorization.

193339385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040.

The product of its digits is 262440, while the sum is 44.

The square root of 193339385 is about 13904.6533577792. The cubic root of 193339385 is about 578.2381981798.

The spelling of 193339385 in words is "one hundred ninety-three million, three hundred thirty-nine thousand, three hundred eighty-five".

Divisors: 1 5 17 85 1459 1559 7295 7795 24803 26503 124015 132515 2274581 11372905 38667877 193339385