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230947773 = 3710997513
BaseRepresentation
bin11011100001111…
…11101110111101
3121002120100210020
431300333232331
5433110312043
634530002353
75503011060
oct1560775675
9532510706
10230947773
11109400531
12654163b9
1338b017b4
142295a8d7
151541de83
hexdc3fbbd

230947773 has 8 divisors (see below), whose sum is σ = 351920448. Its totient is φ = 131970144.

The previous prime is 230947763. The next prime is 230947777. The reversal of 230947773 is 377749032.

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

It is not a de Polignac number, because 230947773 - 25 = 230947741 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230947777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5498736 + ... + 5498777.

It is an arithmetic number, because the mean of its divisors is an integer number (43990056).

Almost surely, 2230947773 is an apocalyptic number.

It is an amenable number.

230947773 is a deficient number, since it is larger than the sum of its proper divisors (120972675).

230947773 is a wasteful number, since it uses less digits than its factorization.

230947773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10997523.

The product of its (nonzero) digits is 222264, while the sum is 42.

The square root of 230947773 is about 15196.9659142870. The cubic root of 230947773 is about 613.5329989178.

The spelling of 230947773 in words is "two hundred thirty million, nine hundred forty-seven thousand, seven hundred seventy-three".

Divisors: 1 3 7 21 10997513 32992539 76982591 230947773