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23030254 = 2132513529
BaseRepresentation
bin101011111011…
…0100111101110
31121100001120101
41113312213232
521343432004
62141341314
7366516412
oct127664756
947301511
1023030254
1111aaaa75
12786783a
134a04790
1430b6d42
15204dba4
hex15f69ee

23030254 has 16 divisors (see below), whose sum is σ = 37361520. Its totient is φ = 10584000.

The previous prime is 23030251. The next prime is 23030281. The reversal of 23030254 is 45203032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23030251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4762 + ... + 8290.

It is an arithmetic number, because the mean of its divisors is an integer number (2335095).

Almost surely, 223030254 is an apocalyptic number.

23030254 is a deficient number, since it is larger than the sum of its proper divisors (14331266).

23030254 is a wasteful number, since it uses less digits than its factorization.

23030254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 23030254 is about 4798.9846842848. The cubic root of 23030254 is about 284.5113366148.

Adding to 23030254 its reverse (45203032), we get a palindrome (68233286).

The spelling of 23030254 in words is "twenty-three million, thirty thousand, two hundred fifty-four".

Divisors: 1 2 13 26 251 502 3263 3529 6526 7058 45877 91754 885779 1771558 11515127 23030254