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230146773 = 3211363581
BaseRepresentation
bin11011011011111…
…00001011010101
3121001001200000120
431231330023111
5432404144043
634500502153
75463133563
oct1555741325
9531050016
10230146773
11108a0374a
12650aa959
13388b102c
14227cca33
1515311983
hexdb7c2d5

230146773 has 8 divisors (see below), whose sum is σ = 308317536. Its totient is φ = 152703600.

The previous prime is 230146769. The next prime is 230146783. The reversal of 230146773 is 377641032.

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

It is not a de Polignac number, because 230146773 - 22 = 230146769 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230146783) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 181158 + ... + 182423.

It is an arithmetic number, because the mean of its divisors is an integer number (38539692).

Almost surely, 2230146773 is an apocalyptic number.

It is an amenable number.

230146773 is a deficient number, since it is larger than the sum of its proper divisors (78170763).

230146773 is a wasteful number, since it uses less digits than its factorization.

230146773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363795.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 230146773 is about 15170.5890788723. The cubic root of 230146773 is about 612.8228683986.

The spelling of 230146773 in words is "two hundred thirty million, one hundred forty-six thousand, seven hundred seventy-three".

Divisors: 1 3 211 633 363581 1090743 76715591 230146773