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23220254 = 253219059
BaseRepresentation
bin101100010010…
…1000000011110
31121200201012102
41120211000132
521421022004
62145405102
7401240351
oct130450036
947621172
1023220254
111211a7a2
127939792
134a700c5
143126298
15208a11e
hex162501e

23220254 has 8 divisors (see below), whose sum is σ = 35487720. Its totient is φ = 11391016.

The previous prime is 23220247. The next prime is 23220259. The reversal of 23220254 is 45202232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220259) 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, 109424 + ... + 109635.

It is an arithmetic number, because the mean of its divisors is an integer number (4435965).

Almost surely, 223220254 is an apocalyptic number.

23220254 is a deficient number, since it is larger than the sum of its proper divisors (12267466).

23220254 is a wasteful number, since it uses less digits than its factorization.

23220254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219114.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 23220254 is about 4818.7398767728. The cubic root of 23220254 is about 285.2916026378.

Adding to 23220254 its reverse (45202232), we get a palindrome (68422486).

The spelling of 23220254 in words is "twenty-three million, two hundred twenty thousand, two hundred fifty-four".

Divisors: 1 2 53 106 219059 438118 11610127 23220254