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12002052 = 2231000171
BaseRepresentation
bin101101110010…
…001100000100
3211120202201110
4231302030010
511033031202
61105125020
7204005256
oct55621404
924522643
1012002052
116858357
124029770
132642c0a
141845cd6
1510c126c
hexb72304

12002052 has 12 divisors (see below), whose sum is σ = 28004816. Its totient is φ = 4000680.

The previous prime is 12001999. The next prime is 12002059. The reversal of 12002052 is 25020021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 1000171 = 12002052 / (1 + 2 + 0 + 0 + 2 + 0 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (12002059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500074 + ... + 500097.

Almost surely, 212002052 is an apocalyptic number.

12002052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12002052 is an abundant number, since it is smaller than the sum of its proper divisors (16002764).

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

12002052 is a wasteful number, since it uses less digits than its factorization.

12002052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000178 (or 1000176 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 12002052 is about 3464.3977831652. The cubic root of 12002052 is about 228.9558975093.

Adding to 12002052 its reverse (25020021), we get a palindrome (37022073).

The spelling of 12002052 in words is "twelve million, two thousand, fifty-two".