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193485923 = 1816771579
BaseRepresentation
bin10111000100001…
…01110001100011
3111111002002210022
423202011301203
5344013022143
631111024055
74536413621
oct1342056143
9444062708
10193485923
119a243924
125496b02b
1331116317
141b9a8511
1511ebe268
hexb885c63

193485923 has 8 divisors (see below), whose sum is σ = 194965680. Its totient is φ = 192011040.

The previous prime is 193485907. The next prime is 193485953. The reversal of 193485923 is 329584391.

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

It is a cyclic number.

It is not a de Polignac number, because 193485923 - 24 = 193485907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (193485953) 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 7 ways as a sum of consecutive naturals, for example, 121748 + ... + 123326.

It is an arithmetic number, because the mean of its divisors is an integer number (24370710).

Almost surely, 2193485923 is an apocalyptic number.

193485923 is a deficient number, since it is larger than the sum of its proper divisors (1479757).

193485923 is a wasteful number, since it uses less digits than its factorization.

193485923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437.

The product of its digits is 233280, while the sum is 44.

The square root of 193485923 is about 13909.9217467245. The cubic root of 193485923 is about 578.3842495920.

The spelling of 193485923 in words is "one hundred ninety-three million, four hundred eighty-five thousand, nine hundred twenty-three".

Divisors: 1 181 677 1579 122537 285799 1068983 193485923