Search a number
-
+
1302022212 = 223823131837
BaseRepresentation
bin100110110011011…
…0100100001000100
310100201222120200220
41031212310201010
510131304202322
6333110504340
744160002061
oct11546644104
93321876626
101302022212
11608a59617
123040650b0
1317999555a
14c4cc9c68
157948e55c
hex4d9b4844

1302022212 has 24 divisors (see below), whose sum is σ = 3041766336. Its totient is φ = 433476768.

The previous prime is 1302022187. The next prime is 1302022213. The reversal of 1302022212 is 2122202031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1302022191 and 1302022200.

It is not an unprimeable number, because it can be changed into a prime (1302022213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 56043 + ... + 75794.

It is an arithmetic number, because the mean of its divisors is an integer number (126740264).

Almost surely, 21302022212 is an apocalyptic number.

1302022212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1302022212 is an abundant number, since it is smaller than the sum of its proper divisors (1739744124).

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

1302022212 is a wasteful number, since it uses less digits than its factorization.

1302022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132667 (or 132665 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1302022212 is about 36083.5448923744. The cubic root of 1302022212 is about 1091.9584944441.

Adding to 1302022212 its reverse (2122202031), we get a palindrome (3424224243).

The spelling of 1302022212 in words is "one billion, three hundred two million, twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 823 1646 2469 3292 4938 9876 131837 263674 395511 527348 791022 1582044 108501851 217003702 325505553 434007404 651011106 1302022212