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230408673 = 3116982081
BaseRepresentation
bin11011011101111…
…00000111100001
3121001112222021120
431232330013201
5432441034143
634510242453
75465304255
oct1556740741
9531488246
10230408673
111090724a0
12651b6429
13389732c1
142285a265
1515364383
hexdbbc1e1

230408673 has 8 divisors (see below), whose sum is σ = 335139936. Its totient is φ = 139641600.

The previous prime is 230408671. The next prime is 230408681. The reversal of 230408673 is 376804032.

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

It is not a de Polignac number, because 230408673 - 21 = 230408671 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 6982081 = 230408673 / (2 + 3 + 0 + 4 + 0 + 8 + 6 + 7 + 3).

It is not an unprimeable number, because it can be changed into a prime (230408671) 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, 3491008 + ... + 3491073.

It is an arithmetic number, because the mean of its divisors is an integer number (41892492).

Almost surely, 2230408673 is an apocalyptic number.

It is an amenable number.

230408673 is a deficient number, since it is larger than the sum of its proper divisors (104731263).

230408673 is a wasteful number, since it uses less digits than its factorization.

230408673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6982095.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 230408673 is about 15179.2184581420. The cubic root of 230408673 is about 613.0552381814.

It can be divided in two parts, 23040 and 8673, that added together give a palindrome (31713).

The spelling of 230408673 in words is "two hundred thirty million, four hundred eight thousand, six hundred seventy-three".

Divisors: 1 3 11 33 6982081 20946243 76802891 230408673