Search a number
-
+
2801322 = 232198191
BaseRepresentation
bin1010101011111010101010
312021022200200
422223322222
51204120242
6140013030
732545056
oct12537252
95238620
102801322
111643747
12b31176
137710b4
1452cc66
153a504c
hex2abeaa

2801322 has 24 divisors (see below), whose sum is σ = 6389760. Its totient is φ = 884520.

The previous prime is 2801317. The next prime is 2801339. The reversal of 2801322 is 2231082.

It is a happy number.

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

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 2801295 and 2801304.

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 11 ways as a sum of consecutive naturals, for example, 3754 + ... + 4437.

It is an arithmetic number, because the mean of its divisors is an integer number (266240).

22801322 is an apocalyptic number.

2801322 is an abundant number, since it is smaller than the sum of its proper divisors (3588438).

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

2801322 is a wasteful number, since it uses less digits than its factorization.

2801322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8218 (or 8215 counting only the distinct ones).

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

The square root of 2801322 is about 1673.7150295077. The cubic root of 2801322 is about 140.9681533629.

The spelling of 2801322 in words is "two million, eight hundred one thousand, three hundred twenty-two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 8191 16382 24573 49146 73719 147438 155629 311258 466887 933774 1400661 2801322