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1032765020 = 225717342641
BaseRepresentation
bin111101100011101…
…011111001011100
32122222022220021022
4331203223321130
54103341440040
6250251423312
734410233510
oct7543537134
92588286238
101032765020
1148aa72711
12249a54b38
13135c6c881
149b23a140
1560a046b5
hex3d8ebe5c

1032765020 has 48 divisors (see below), whose sum is σ = 2493021888. Its totient is φ = 352035840.

The previous prime is 1032765017. The next prime is 1032765059. The reversal of 1032765020 is 205672301.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2900 + ... + 45540.

It is an arithmetic number, because the mean of its divisors is an integer number (51937956).

Almost surely, 21032765020 is an apocalyptic number.

1032765020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1032765020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1246510944).

1032765020 is an abundant number, since it is smaller than the sum of its proper divisors (1460256868).

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

1032765020 is a wasteful number, since it uses less digits than its factorization.

1032765020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42830 (or 42828 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1032765020 is about 32136.6616187805. The cubic root of 1032765020 is about 1010.8045153505.

The spelling of 1032765020 in words is "one billion, thirty-two million, seven hundred sixty-five thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 173 346 692 865 1211 1730 2422 3460 4844 6055 12110 24220 42641 85282 170564 213205 298487 426410 596974 852820 1193948 1492435 2984870 5969740 7376893 14753786 29507572 36884465 51638251 73768930 103276502 147537860 206553004 258191255 516382510 1032765020