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193759085 = 5132980909
BaseRepresentation
bin10111000110010…
…00011101101101
3111111120222111102
423203020131231
5344100242320
631120532445
74541632202
oct1343103555
9444528442
10193759085
119a410083
1254a81125
13311b0760
141ba39ca9
1512025175
hexb8c876d

193759085 has 8 divisors (see below), whose sum is σ = 250396440. Its totient is φ = 143083584.

The previous prime is 193759039. The next prime is 193759117. The reversal of 193759085 is 580957391.

It can be written as a sum of positive squares in 4 ways, for example, as 36156169 + 157602916 = 6013^2 + 12554^2 .

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 193759085 - 214 = 193742701 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490390 + ... + 1490519.

It is an arithmetic number, because the mean of its divisors is an integer number (31299555).

Almost surely, 2193759085 is an apocalyptic number.

It is an amenable number.

193759085 is a deficient number, since it is larger than the sum of its proper divisors (56637355).

193759085 is a wasteful number, since it uses less digits than its factorization.

193759085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980927.

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 193759085 is about 13919.7372460833. The cubic root of 193759085 is about 578.6563078091.

The spelling of 193759085 in words is "one hundred ninety-three million, seven hundred fifty-nine thousand, eighty-five".

Divisors: 1 5 13 65 2980909 14904545 38751817 193759085