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23121052 = 2220892767
BaseRepresentation
bin101100000110…
…0110010011100
31121111200010021
41120030302130
521404333202
62143321524
7400345213
oct130146234
947450107
1023121052
1112062209
1278b02a4
134a36bc6
1430dc07a
15206aa37
hex160cc9c

23121052 has 12 divisors (see below), whose sum is σ = 40495840. Its totient is φ = 11550816.

The previous prime is 23121047. The next prime is 23121053. The reversal of 23121052 is 25012132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23121053) 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 3 ways as a sum of consecutive naturals, for example, 6973 + ... + 9739.

Almost surely, 223121052 is an apocalyptic number.

It is an amenable number.

23121052 is a deficient number, since it is larger than the sum of its proper divisors (17374788).

23121052 is a wasteful number, since it uses less digits than its factorization.

23121052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860 (or 4858 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 23121052 is about 4808.4355044027. The cubic root of 23121052 is about 284.8847466678.

Adding to 23121052 its reverse (25012132), we get a palindrome (48133184).

It can be divided in two parts, 2312 and 1052, that added together give a square (3364 = 582).

The spelling of 23121052 in words is "twenty-three million, one hundred twenty-one thousand, fifty-two".

Divisors: 1 2 4 2089 2767 4178 5534 8356 11068 5780263 11560526 23121052