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23235020 = 2258313997
BaseRepresentation
bin101100010100…
…0100111001100
31121201110110022
41120220213030
521422010040
62150001312
7401331404
oct130504714
947643408
1023235020
111212a8a6
127946238
134a76a43
14312b804
15208e6b5
hex16289cc

23235020 has 24 divisors (see below), whose sum is σ = 49384944. Its totient is φ = 9181376.

The previous prime is 23235019. The next prime is 23235053. The reversal of 23235020 is 2053232.

It is a self number, because there is not a number n which added to its sum of digits gives 23235020.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5339 + ... + 8658.

It is an arithmetic number, because the mean of its divisors is an integer number (2057706).

Almost surely, 223235020 is an apocalyptic number.

23235020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23235020 is an abundant number, since it is smaller than the sum of its proper divisors (26149924).

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

23235020 is a wasteful number, since it uses less digits than its factorization.

23235020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14089 (or 14087 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 23235020 is about 4820.2717765703. The cubic root of 23235020 is about 285.3520631187.

Adding to 23235020 its reverse (2053232), we get a palindrome (25288252).

The spelling of 23235020 in words is "twenty-three million, two hundred thirty-five thousand, twenty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 13997 27994 55988 69985 139970 279940 1161751 2323502 4647004 5808755 11617510 23235020