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3122028 = 2232713953
BaseRepresentation
bin1011111010001101101100
312212121121200
423322031230
51244401103
6150525500
735352060
oct13721554
95777550
103122028
111842698
121066890
13854070
145b3aa0
1541a0a3
hex2fa36c

3122028 has 72 divisors (see below), whose sum is σ = 9723168. Its totient is φ = 822528.

The previous prime is 3122017. The next prime is 3122059. The reversal of 3122028 is 8202213.

3122028 = T477 + T478 + ... + T502.

It is a happy number.

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 3122028.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2800 + ... + 3752.

It is an arithmetic number, because the mean of its divisors is an integer number (135044).

Almost surely, 23122028 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 3122028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4861584).

3122028 is an abundant number, since it is smaller than the sum of its proper divisors (6601140).

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

3122028 is a wasteful number, since it uses less digits than its factorization.

3122028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983 (or 978 counting only the distinct ones).

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

The square root of 3122028 is about 1766.9261444667. The cubic root of 3122028 is about 146.1545245796.

The spelling of 3122028 in words is "three million, one hundred twenty-two thousand, twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 52 63 78 84 91 117 126 156 182 234 252 273 364 468 546 819 953 1092 1638 1906 2859 3276 3812 5718 6671 8577 11436 12389 13342 17154 20013 24778 26684 34308 37167 40026 49556 60039 74334 80052 86723 111501 120078 148668 173446 223002 240156 260169 346892 446004 520338 780507 1040676 1561014 3122028