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12032028 = 22322831181
BaseRepresentation
bin101101111001…
…100000011100
3211122021211200
4231321200130
511040011103
61105515500
7204161541
oct55714034
924567750
1012032028
116878928
124042b90
132653758
141852bc8
1510ca0a3
hexb7981c

12032028 has 36 divisors (see below), whose sum is σ = 30547608. Its totient is φ = 3993120.

The previous prime is 12032011. The next prime is 12032057. The reversal of 12032028 is 82023021.

It is a happy number.

12032028 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 self number, because there is not a number n which added to its sum of digits gives 12032028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9598 + ... + 10778.

Almost surely, 212032028 is an apocalyptic number.

12032028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12032028 is an abundant number, since it is smaller than the sum of its proper divisors (18515580).

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

12032028 is a wasteful number, since it uses less digits than its factorization.

12032028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474 (or 1469 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 12032028 is about 3468.7213782603. The cubic root of 12032028 is about 229.1463503900.

Adding to 12032028 its reverse (82023021), we get a palindrome (94055049).

The spelling of 12032028 in words is "twelve million, thirty-two thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 283 566 849 1132 1181 1698 2362 2547 3396 3543 4724 5094 7086 10188 10629 14172 21258 42516 334223 668446 1002669 1336892 2005338 3008007 4010676 6016014 12032028