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230415351 = 376805117
BaseRepresentation
bin11011011101111…
…01101111110111
3121001120022102220
431232331233313
5432441242401
634510333423
75465332605
oct1556755767
9531508386
10230415351
11109077511
12651ba273
133897635a
142285c875
1515366336
hexdbbdbf7

230415351 has 4 divisors (see below), whose sum is σ = 307220472. Its totient is φ = 153610232.

The previous prime is 230415349. The next prime is 230415373. The reversal of 230415351 is 153514032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230415351 - 21 = 230415349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230415301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38402556 + ... + 38402561.

It is an arithmetic number, because the mean of its divisors is an integer number (76805118).

Almost surely, 2230415351 is an apocalyptic number.

230415351 is a deficient number, since it is larger than the sum of its proper divisors (76805121).

230415351 is an equidigital number, since it uses as much as digits as its factorization.

230415351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76805120.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 230415351 is about 15179.4384283477. The cubic root of 230415351 is about 613.0611609089.

Adding to 230415351 its reverse (153514032), we get a palindrome (383929383).

The spelling of 230415351 in words is "two hundred thirty million, four hundred fifteen thousand, three hundred fifty-one".

Divisors: 1 3 76805117 230415351