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802022122 = 21123314141
BaseRepresentation
bin101111110011011…
…110001011101010
32001220010221112001
4233303132023222
53120304201442
6211330041214
725606034626
oct5763361352
92056127461
10802022122
113817a2100
121a471920a
13ca210405
1478734186
154a6262b7
hex2fcde2ea

802022122 has 12 divisors (see below), whose sum is σ = 1322342658. Its totient is φ = 364555400.

The previous prime is 802022087. The next prime is 802022153. The reversal of 802022122 is 221220208.

It can be written as a sum of positive squares in only one way, i.e., 591511041 + 210511081 = 24321^2 + 14509^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 802022122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1656829 + ... + 1657312.

Almost surely, 2802022122 is an apocalyptic number.

802022122 is a deficient number, since it is larger than the sum of its proper divisors (520320536).

802022122 is a wasteful number, since it uses less digits than its factorization.

802022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314165 (or 3314154 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 802022122 is about 28319.9950918075. The cubic root of 802022122 is about 929.0992635491.

It can be divided in two parts, 80 and 2022122, that added together give a palindrome (2022202).

The spelling of 802022122 in words is "eight hundred two million, twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 11 22 121 242 3314141 6628282 36455551 72911102 401011061 802022122