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230026693 = 13136113001
BaseRepresentation
bin11011011010111…
…10110111000101
3121000211120022011
431231132313011
5432341323233
634454134221
75462123521
oct1555366705
9530746264
10230026693
11108931506
1265051371
133886b490
142279ad81
15152db0cd
hexdb5edc5

230026693 has 8 divisors (see below), whose sum is σ = 247922136. Its totient is φ = 212160000.

The previous prime is 230026681. The next prime is 230026717. The reversal of 230026693 is 396620032.

It can be written as a sum of positive squares in 4 ways, for example, as 22724289 + 207302404 = 4767^2 + 14398^2 .

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

It is not a de Polignac number, because 230026693 - 25 = 230026661 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 (230026193) 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, 11193 + ... + 24193.

It is an arithmetic number, because the mean of its divisors is an integer number (30990267).

Almost surely, 2230026693 is an apocalyptic number.

It is an amenable number.

230026693 is a deficient number, since it is larger than the sum of its proper divisors (17895443).

230026693 is a wasteful number, since it uses less digits than its factorization.

230026693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14375.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 230026693 is about 15166.6309047197. The cubic root of 230026693 is about 612.7162689287.

The spelling of 230026693 in words is "two hundred thirty million, twenty-six thousand, six hundred ninety-three".

Divisors: 1 13 1361 13001 17693 169013 17694361 230026693