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230020413 = 3710953353
BaseRepresentation
bin11011011010111…
…01010100111101
3121000211020200120
431231131110331
5432341123123
634454045153
75462066310
oct1555352475
9530736616
10230020413
11108927817
12650497b9
133886866c
1422798977
15152d92e3
hexdb5d53d

230020413 has 8 divisors (see below), whose sum is σ = 350507328. Its totient is φ = 131440224.

The previous prime is 230020393. The next prime is 230020423. The reversal of 230020413 is 314020032.

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

It is not a de Polignac number, because 230020413 - 25 = 230020381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230020392 and 230020401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230020423) 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, 5476656 + ... + 5476697.

It is an arithmetic number, because the mean of its divisors is an integer number (43813416).

Almost surely, 2230020413 is an apocalyptic number.

It is an amenable number.

230020413 is a deficient number, since it is larger than the sum of its proper divisors (120486915).

230020413 is a wasteful number, since it uses less digits than its factorization.

230020413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10953363.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 230020413 is about 15166.4238698515. The cubic root of 230020413 is about 612.7106929191.

Adding to 230020413 its reverse (314020032), we get a palindrome (544040445).

The spelling of 230020413 in words is "two hundred thirty million, twenty thousand, four hundred thirteen".

Divisors: 1 3 7 21 10953353 32860059 76673471 230020413