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23227530 = 2351037517
BaseRepresentation
bin101100010011…
…0110010001010
31121201002011220
41120212302022
521421240110
62145502510
7401300514
oct130466212
947632156
1023227530
1112125207
127941a36
134a73501
143128bb4
15208c370
hex1626c8a

23227530 has 32 divisors (see below), whose sum is σ = 56294784. Its totient is φ = 6133056.

The previous prime is 23227517. The next prime is 23227531. The reversal of 23227530 is 3572232.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23227530.

It is not an unprimeable number, because it can be changed into a prime (23227531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 669 + ... + 6848.

It is an arithmetic number, because the mean of its divisors is an integer number (1759212).

Almost surely, 223227530 is an apocalyptic number.

23227530 is an abundant number, since it is smaller than the sum of its proper divisors (33067254).

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

23227530 is a wasteful number, since it uses less digits than its factorization.

23227530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7630.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 23227530 is about 4819.4947868008. The cubic root of 23227530 is about 285.3213979611.

Adding to 23227530 its reverse (3572232), we get a palindrome (26799762).

The spelling of 23227530 in words is "twenty-three million, two hundred twenty-seven thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 103 206 309 515 618 1030 1545 3090 7517 15034 22551 37585 45102 75170 112755 225510 774251 1548502 2322753 3871255 4645506 7742510 11613765 23227530