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194300705 = 538860141
BaseRepresentation
bin10111001010011…
…00101100100001
3111112121111110102
423211030230201
5344220110310
631140312145
74546346234
oct1345145441
9445544412
10194300705
119a74aaa5
12550a2655
1331340141
141bb3b41b
15120d08a5
hexb94cb21

194300705 has 4 divisors (see below), whose sum is σ = 233160852. Its totient is φ = 155440560.

The previous prime is 194300699. The next prime is 194300713. The reversal of 194300705 is 507003491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 507003491 = 2917482879.

It can be written as a sum of positive squares in 2 ways, for example, as 24285184 + 170015521 = 4928^2 + 13039^2 .

It is not a de Polignac number, because 194300705 - 222 = 190106401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 19430066 + ... + 19430075.

It is an arithmetic number, because the mean of its divisors is an integer number (58290213).

Almost surely, 2194300705 is an apocalyptic number.

It is an amenable number.

194300705 is a deficient number, since it is larger than the sum of its proper divisors (38860147).

194300705 is an equidigital number, since it uses as much as digits as its factorization.

194300705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38860146.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 194300705 is about 13939.1787778190. The cubic root of 194300705 is about 579.1949840602.

The spelling of 194300705 in words is "one hundred ninety-four million, three hundred thousand, seven hundred five".

Divisors: 1 5 38860141 194300705