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1000310020 = 225232174587
BaseRepresentation
bin111011100111111…
…000010100000100
32120201021000101021
4323213320110010
54022034410040
6243132040524
733534331513
oct7347702404
92521230337
101000310020
114737157a6
1223b003144
1312c318328
1496bcc67a
155cc4324a
hex3b9f8504

1000310020 has 24 divisors (see below), whose sum is σ = 2191984704. Its totient is φ = 382727136.

The previous prime is 1000310011. The next prime is 1000310033. The reversal of 1000310020 is 200130001.

1000310020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10003100202 = 2001240272224800800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000309985 and 1000310012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086834 + ... + 1087753.

It is an arithmetic number, because the mean of its divisors is an integer number (91332696).

Almost surely, 21000310020 is an apocalyptic number.

1000310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000310020 is an abundant number, since it is smaller than the sum of its proper divisors (1191674684).

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

1000310020 is a wasteful number, since it uses less digits than its factorization.

1000310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174619 (or 2174617 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 1000310020 is about 31627.6780684261. The cubic root of 1000310020 is about 1000.1033293227.

Adding to 1000310020 its reverse (200130001), we get a palindrome (1200440021).

The spelling of 1000310020 in words is "one billion, three hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 2174587 4349174 8698348 10872935 21745870 43491740 50015501 100031002 200062004 250077505 500155010 1000310020