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23238419 = 28182699
BaseRepresentation
bin101100010100…
…1011100010011
31121201122010012
41120221130103
521422112134
62150025135
7401344331
oct130513423
947648105
1023238419
1112132406
1279481ab
134a78459
14312cb51
1520906ce
hex1629713

23238419 has 4 divisors (see below), whose sum is σ = 23321400. Its totient is φ = 23155440.

The previous prime is 23238407. The next prime is 23238427. The reversal of 23238419 is 91483232.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23238419 is a prime.

It is a super-2 number, since 2×232384192 = 1080048235239122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23238469) 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, 41069 + ... + 41630.

It is an arithmetic number, because the mean of its divisors is an integer number (5830350).

Almost surely, 223238419 is an apocalyptic number.

23238419 is a deficient number, since it is larger than the sum of its proper divisors (82981).

23238419 is an equidigital number, since it uses as much as digits as its factorization.

23238419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82980.

The product of its digits is 10368, while the sum is 32.

The square root of 23238419 is about 4820.6243371580. The cubic root of 23238419 is about 285.3659769489.

The spelling of 23238419 in words is "twenty-three million, two hundred thirty-eight thousand, four hundred nineteen".

Divisors: 1 281 82699 23238419