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BaseRepresentation
bin1000000101101101101000
310222201211222
420011231220
51020324202
6113241212
724011240
oct10055550
93881758
102120552
111219225
12863208
13593285
143d2b20
152bd4a2
hex205b68

2120552 has 32 divisors (see below), whose sum is σ = 4785600. Its totient is φ = 860544.

The previous prime is 2120551. The next prime is 2120579. The reversal of 2120552 is 2550212.

It is a self number, because there is not a number n which added to its sum of digits gives 2120552.

It is not an unprimeable number, because it can be changed into a prime (2120551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68 + ... + 2060.

It is an arithmetic number, because the mean of its divisors is an integer number (149550).

22120552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2392800).

2120552 is an abundant number, since it is smaller than the sum of its proper divisors (2665048).

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

2120552 is a wasteful number, since it uses less digits than its factorization.

2120552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025 (or 2021 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 2120552 is about 1456.2115230968. The cubic root of 2120552 is about 128.4743144369.

Adding to 2120552 its reverse (2550212), we get a palindrome (4670764).

The spelling of 2120552 in words is "two million, one hundred twenty thousand, five hundred fifty-two".