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1022640082 = 2898276947
BaseRepresentation
bin111100111101000…
…011111111010010
32122021021111110121
4330331003333102
54043243440312
6245250420454
734225203652
oct7475037722
92567244417
101022640082
114852876a2
1224659172a
13133b36199
1499b62362
155eba4707
hex3cf43fd2

1022640082 has 16 divisors (see below), whose sum is σ = 1553294880. Its totient is φ = 504890848.

The previous prime is 1022640037. The next prime is 1022640089. The reversal of 1022640082 is 2800462201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1022640089) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 143733 + ... + 150679.

It is an arithmetic number, because the mean of its divisors is an integer number (97080930).

Almost surely, 21022640082 is an apocalyptic number.

1022640082 is a deficient number, since it is larger than the sum of its proper divisors (530654798).

1022640082 is an equidigital number, since it uses as much as digits as its factorization.

1022640082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7865.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1022640082 is about 31978.7442217483. The cubic root of 1022640082 is about 1007.4904471137.

The spelling of 1022640082 in words is "one billion, twenty-two million, six hundred forty thousand, eighty-two".

Divisors: 1 2 89 178 827 1654 6947 13894 73603 147206 618283 1236566 5745169 11490338 511320041 1022640082