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8045222988 = 22311241252899
BaseRepresentation
bin1110111111000100…
…00101110001001100
3202202200111200011210
413133202011301030
5112434034113423
63410153014420
7403240160415
oct73742056114
922680450153
108045222988
113459356120
1216863b4410
139b2a1809a
145646ba80c
1532147eb93
hex1df885c4c

8045222988 has 48 divisors (see below), whose sum is σ = 20563804800. Its totient is φ = 2427820800.

The previous prime is 8045222981. The next prime is 8045222993. The reversal of 8045222988 is 8892225408.

It is a happy number.

It is a super-2 number, since 2×80452229882 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8045222981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94638 + ... + 158261.

It is an arithmetic number, because the mean of its divisors is an integer number (428412600).

Almost surely, 28045222988 is an apocalyptic number.

It is an amenable number.

8045222988 is an abundant number, since it is smaller than the sum of its proper divisors (12518581812).

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

8045222988 is a wasteful number, since it uses less digits than its factorization.

8045222988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253158 (or 253156 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The square root of 8045222988 is about 89695.1670269920. The cubic root of 8045222988 is about 2003.7615034442.

The spelling of 8045222988 in words is "eight billion, forty-five million, two hundred twenty-two thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 241 482 723 964 1446 2651 2892 5302 7953 10604 15906 31812 252899 505798 758697 1011596 1517394 2781889 3034788 5563778 8345667 11127556 16691334 33382668 60948659 121897318 182845977 243794636 365691954 670435249 731383908 1340870498 2011305747 2681740996 4022611494 8045222988