Search a number
-
+
19468023 = 36489341
BaseRepresentation
bin100101001000…
…0111011110111
31100122002002220
41022100323313
514440434043
61533133423
7324322041
oct112207367
940562086
1019468023
11aa97683
12662a273
134058253
14282aa91
151a98483
hex1290ef7

19468023 has 4 divisors (see below), whose sum is σ = 25957368. Its totient is φ = 12978680.

The previous prime is 19468021. The next prime is 19468037. The reversal of 19468023 is 32086491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32086491 = 310695497.

It is a cyclic number.

It is not a de Polignac number, because 19468023 - 21 = 19468021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19468021) 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, 3244668 + ... + 3244673.

It is an arithmetic number, because the mean of its divisors is an integer number (6489342).

Almost surely, 219468023 is an apocalyptic number.

19468023 is a deficient number, since it is larger than the sum of its proper divisors (6489345).

19468023 is an equidigital number, since it uses as much as digits as its factorization.

19468023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6489344.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 19468023 is about 4412.2582653331. The cubic root of 19468023 is about 269.0134227673.

The spelling of 19468023 in words is "nineteen million, four hundred sixty-eight thousand, twenty-three".

Divisors: 1 3 6489341 19468023