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3820122 = 23423581
BaseRepresentation
bin1110100100101001011010
321012002020000
432210221122
51434220442
6213513430
744320245
oct16445132
97162200
103820122
11217a129
121342876
13a39a37
1471625c
15506d4c
hex3a4a5a

3820122 has 20 divisors (see below), whose sum is σ = 8560266. Its totient is φ = 1273320.

The previous prime is 3820111. The next prime is 3820127. The reversal of 3820122 is 2210283.

It is a happy number.

3820122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3538161 + 281961 = 1881^2 + 531^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 3820095 and 3820104.

It is not an unprimeable number, because it can be changed into a prime (3820127) 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 9 ways as a sum of consecutive naturals, for example, 11629 + ... + 11952.

Almost surely, 23820122 is an apocalyptic number.

3820122 is an abundant number, since it is smaller than the sum of its proper divisors (4740144).

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

3820122 is a wasteful number, since it uses less digits than its factorization.

3820122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23595 (or 23586 counting only the distinct ones).

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

The square root of 3820122 is about 1954.5132386351. The cubic root of 3820122 is about 156.3240306257.

The spelling of 3820122 in words is "three million, eight hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 23581 47162 70743 141486 212229 424458 636687 1273374 1910061 3820122