Search a number
-
+
23038319 = 471034759
BaseRepresentation
bin101011111100…
…0100101101111
31121100110122002
41113320211233
521344211234
62141442515
7366552053
oct127704557
947313562
1023038319
1112006037
12787043b
134a08355
1430b9c63
15205127e
hex15f896f

23038319 has 8 divisors (see below), whose sum is σ = 23761920. Its totient is φ = 22324536.

The previous prime is 23038313. The next prime is 23038321. The reversal of 23038319 is 91383032.

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

It is a cyclic number.

It is not a de Polignac number, because 23038319 - 24 = 23038303 is a prime.

It is a super-2 number, since 2×230383192 = 1061528284691522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23038291 and 23038300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23038313) 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, 2462 + ... + 7220.

It is an arithmetic number, because the mean of its divisors is an integer number (2970240).

Almost surely, 223038319 is an apocalyptic number.

23038319 is a deficient number, since it is larger than the sum of its proper divisors (723601).

23038319 is a wasteful number, since it uses less digits than its factorization.

23038319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4909.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 23038319 is about 4799.8248926393. The cubic root of 23038319 is about 284.5445438927.

The spelling of 23038319 in words is "twenty-three million, thirty-eight thousand, three hundred nineteen".

Divisors: 1 47 103 4759 4841 223673 490177 23038319