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230880343 = 1931391987
BaseRepresentation
bin11011100001011…
…11010001010111
3121002102221021211
431300233101113
5433101132333
634524322251
75502310351
oct1560572127
9532387254
10230880343
11109364901
12653a3387
1338aa9bb5
14229400d1
1515408ecd
hexdc2f457

230880343 has 8 divisors (see below), whose sum is σ = 250872320. Its totient is φ = 211672440.

The previous prime is 230880337. The next prime is 230880361. The reversal of 230880343 is 343088032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230880343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230880943) 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, 195405 + ... + 196582.

It is an arithmetic number, because the mean of its divisors is an integer number (31359040).

Almost surely, 2230880343 is an apocalyptic number.

230880343 is a deficient number, since it is larger than the sum of its proper divisors (19991977).

230880343 is a wasteful number, since it uses less digits than its factorization.

230880343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392037.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 230880343 is about 15194.7472173775. The cubic root of 230880343 is about 613.4732818707.

The spelling of 230880343 in words is "two hundred thirty million, eight hundred eighty thousand, three hundred forty-three".

Divisors: 1 19 31 589 391987 7447753 12151597 230880343