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1020424322 = 2510212161
BaseRepresentation
bin111100110100100…
…111000010000010
32122010002221000102
4330310213002002
54042212034242
6245131122402
734200315011
oct7464470202
92563087012
101020424322
11484003995
122458a3402
1313353b798
1499746a78
155e8b7e32
hex3cd27082

1020424322 has 4 divisors (see below), whose sum is σ = 1530636486. Its totient is φ = 510212160.

The previous prime is 1020424313. The next prime is 1020424333. The reversal of 1020424322 is 2234240201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 857376961 + 163047361 = 29281^2 + 12769^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1020424294 and 1020424303.

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 as a sum of consecutive naturals, namely, 255106079 + ... + 255106082.

Almost surely, 21020424322 is an apocalyptic number.

1020424322 is a deficient number, since it is larger than the sum of its proper divisors (510212164).

1020424322 is an equidigital number, since it uses as much as digits as its factorization.

1020424322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510212163.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1020424322 is about 31944.0811732001. The cubic root of 1020424322 is about 1006.7622758823.

Adding to 1020424322 its reverse (2234240201), we get a palindrome (3254664523).

The spelling of 1020424322 in words is "one billion, twenty million, four hundred twenty-four thousand, three hundred twenty-two".

Divisors: 1 2 510212161 1020424322