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23012242 = 2115917729
BaseRepresentation
bin101011111001…
…0001110010010
31121022010212021
41113302032102
521342342432
62141122054
7366413041
oct127621622
947263767
1023012242
1111a98490
12785932a
1349c9516
1430b0558
152048697
hex15f2392

23012242 has 16 divisors (see below), whose sum is σ = 38296800. Its totient is φ = 10282240.

The previous prime is 23012239. The next prime is 23012243. The reversal of 23012242 is 24221032.

It is not an unprimeable number, because it can be changed into a prime (23012243) 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, 7567 + ... + 10162.

It is an arithmetic number, because the mean of its divisors is an integer number (2393550).

Almost surely, 223012242 is an apocalyptic number.

23012242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23012242 is a deficient number, since it is larger than the sum of its proper divisors (15284558).

23012242 is a wasteful number, since it uses less digits than its factorization.

23012242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17801.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 23012242 is about 4797.1076702530. The cubic root of 23012242 is about 284.4371450063.

Adding to 23012242 its reverse (24221032), we get a palindrome (47233274).

The spelling of 23012242 in words is "twenty-three million, twelve thousand, two hundred forty-two".

Divisors: 1 2 11 22 59 118 649 1298 17729 35458 195019 390038 1046011 2092022 11506121 23012242