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230120413 = 4147119419
BaseRepresentation
bin11011011011101…
…01101111011101
3121001000022212021
431231311233131
5432402323123
634500140141
75462663665
oct1555655735
9531008767
10230120413
11108995966
1265097651
13388a2033
14227c31a5
1515308c5d
hexdb75bdd

230120413 has 8 divisors (see below), whose sum is σ = 240750720. Its totient is φ = 219729120.

The previous prime is 230120389. The next prime is 230120441. The reversal of 230120413 is 314021032.

It is a happy number.

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-230120413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230120453) 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, 57783 + ... + 61636.

It is an arithmetic number, because the mean of its divisors is an integer number (30093840).

Almost surely, 2230120413 is an apocalyptic number.

It is an amenable number.

230120413 is a deficient number, since it is larger than the sum of its proper divisors (10630307).

230120413 is a wasteful number, since it uses less digits than its factorization.

230120413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119507.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 230120413 is about 15169.7202676912. The cubic root of 230120413 is about 612.7994708259.

Adding to 230120413 its reverse (314021032), we get a palindrome (544141445).

The spelling of 230120413 in words is "two hundred thirty million, one hundred twenty thousand, four hundred thirteen".

Divisors: 1 41 47 1927 119419 4896179 5612693 230120413