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23240052 = 22321158687
BaseRepresentation
bin101100010100…
…1110101110100
31121201201100200
41120221311310
521422140202
62150040500
7401352153
oct130516564
947651320
1023240052
1112133660
127949130
134a79114
14312d59a
152090e1c
hex1629d74

23240052 has 36 divisors (see below), whose sum is σ = 64087296. Its totient is φ = 7042320.

The previous prime is 23240039. The next prime is 23240101. The reversal of 23240052 is 25004232.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 28948 + ... + 29739.

Almost surely, 223240052 is an apocalyptic number.

23240052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23240052 is an abundant number, since it is smaller than the sum of its proper divisors (40847244).

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

23240052 is a wasteful number, since it uses less digits than its factorization.

23240052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58708 (or 58703 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 23240052 is about 4820.7937105834. The cubic root of 23240052 is about 285.3726611633.

Adding to 23240052 its reverse (25004232), we get a palindrome (48244284).

The spelling of 23240052 in words is "twenty-three million, two hundred forty thousand, fifty-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 58687 117374 176061 234748 352122 528183 645557 704244 1056366 1291114 1936671 2112732 2582228 3873342 5810013 7746684 11620026 23240052