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230215413 = 3103374287
BaseRepresentation
bin11011011100011…
…00111011110101
3121001012011011210
431232030323311
5432413343123
634502152033
75463540651
oct1556147365
9531164153
10230215413
11108a5027a
1265122619
133890634c
1422809a61
1515326e93
hexdb8cef5

230215413 has 8 divisors (see below), whose sum is σ = 307255168. Its totient is φ = 153326304.

The previous prime is 230215387. The next prime is 230215423. The reversal of 230215413 is 314512032.

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

It is not a de Polignac number, because 230215413 - 214 = 230199029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230215413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230215423) 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, 34045 + ... + 40242.

It is an arithmetic number, because the mean of its divisors is an integer number (38406896).

Almost surely, 2230215413 is an apocalyptic number.

It is an amenable number.

230215413 is a deficient number, since it is larger than the sum of its proper divisors (77039755).

230215413 is a wasteful number, since it uses less digits than its factorization.

230215413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75323.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 230215413 is about 15172.8511822927. The cubic root of 230215413 is about 612.8837860180.

Adding to 230215413 its reverse (314512032), we get a palindrome (544727445).

The spelling of 230215413 in words is "two hundred thirty million, two hundred fifteen thousand, four hundred thirteen".

Divisors: 1 3 1033 3099 74287 222861 76738471 230215413