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230201345 = 5114185479
BaseRepresentation
bin11011011100010…
…01100000000001
3121001011102212202
431232021200001
5432412420340
634502002545
75463451643
oct1556114001
9531142782
10230201345
11108a40750
1265116455
13388ccb1a
1422804893
1515322c15
hexdb89801

230201345 has 8 divisors (see below), whose sum is σ = 301354560. Its totient is φ = 167419120.

The previous prime is 230201327. The next prime is 230201357. The reversal of 230201345 is 543102032.

It is a happy number.

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

It is not a de Polignac number, because 230201345 - 224 = 213424129 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2092685 + ... + 2092794.

It is an arithmetic number, because the mean of its divisors is an integer number (37669320).

Almost surely, 2230201345 is an apocalyptic number.

It is an amenable number.

230201345 is a deficient number, since it is larger than the sum of its proper divisors (71153215).

230201345 is a wasteful number, since it uses less digits than its factorization.

230201345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185495.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 230201345 is about 15172.3875840291. The cubic root of 230201345 is about 612.8713017326.

Adding to 230201345 its reverse (543102032), we get a palindrome (773303377).

The spelling of 230201345 in words is "two hundred thirty million, two hundred one thousand, three hundred forty-five".

Divisors: 1 5 11 55 4185479 20927395 46040269 230201345