Search a number
-
+
23506458 = 2319206197
BaseRepresentation
bin101100110101…
…0111000011010
31122020020210120
41121222320122
522004201313
62155454110
7403541643
oct131527032
948206716
1023506458
11122a5828
127a57336
134b40461
14319c6ca
1520e4d23
hex166ae1a

23506458 has 16 divisors (see below), whose sum is σ = 49487520. Its totient is φ = 7423056.

The previous prime is 23506453. The next prime is 23506471. The reversal of 23506458 is 85460532.

It is not an unprimeable number, because it can be changed into a prime (23506451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102985 + ... + 103212.

It is an arithmetic number, because the mean of its divisors is an integer number (3092970).

Almost surely, 223506458 is an apocalyptic number.

23506458 is an abundant number, since it is smaller than the sum of its proper divisors (25981062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23506458 is a wasteful number, since it uses less digits than its factorization.

23506458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206221.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 23506458 is about 4848.3459035015. The cubic root of 23506458 is about 286.4589514454.

The spelling of 23506458 in words is "twenty-three million, five hundred six thousand, four hundred fifty-eight".

Divisors: 1 2 3 6 19 38 57 114 206197 412394 618591 1237182 3917743 7835486 11753229 23506458