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1020422304 = 253211292383
BaseRepresentation
bin111100110100100…
…110100010100000
32122010002211020200
4330310212202200
54042212003204
6245131105200
734200306066
oct7464464240
92563084220
101020422304
11484002420
122458a2200
1313353a8a5
1499746036
155e8b7539
hex3cd268a0

1020422304 has 216 divisors, whose sum is σ = 3287112192. Its totient is φ = 297776640.

The previous prime is 1020422269. The next prime is 1020422317. The reversal of 1020422304 is 4032240201.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 in 35 ways as a sum of consecutive naturals, for example, 2664097 + ... + 2664479.

It is an arithmetic number, because the mean of its divisors is an integer number (15218112).

Almost surely, 21020422304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020422304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1643556096).

1020422304 is an abundant number, since it is smaller than the sum of its proper divisors (2266689888).

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

1020422304 is a wasteful number, since it uses less digits than its factorization.

1020422304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1020422304 is about 31944.0495867384. The cubic root of 1020422304 is about 1006.7616122212.

Adding to 1020422304 its reverse (4032240201), we get a palindrome (5052662505).

It can be divided in two parts, 1020 and 422304, that added together give a palindrome (423324).

The spelling of 1020422304 in words is "one billion, twenty million, four hundred twenty-two thousand, three hundred four".