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1030006580 = 22552198849
BaseRepresentation
bin111101011001001…
…010011100110100
32122210010202101212
4331121022130310
54102140202310
6250112340552
734344624431
oct7531123464
92583122355
101030006580
11489459209
12248b44758
13135515165
149ab1cb88
156065c205
hex3d64a734

1030006580 has 24 divisors (see below), whose sum is σ = 2167187400. Its totient is φ = 411207680.

The previous prime is 1030006573. The next prime is 1030006597. The reversal of 1030006580 is 856000301.

It can be written as a sum of positive squares in 4 ways, for example, as 17875984 + 1012130596 = 4228^2 + 31814^2 .

It is a congruent number.

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, 39005 + ... + 59844.

It is an arithmetic number, because the mean of its divisors is an integer number (90299475).

Almost surely, 21030006580 is an apocalyptic number.

1030006580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030006580 is an abundant number, since it is smaller than the sum of its proper divisors (1137180820).

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

1030006580 is a wasteful number, since it uses less digits than its factorization.

1030006580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99379 (or 99377 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1030006580 is about 32093.7155842074. The cubic root of 1030006580 is about 1009.9037845803.

Adding to 1030006580 its reverse (856000301), we get a palindrome (1886006881).

The spelling of 1030006580 in words is "one billion, thirty million, six thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 521 1042 2084 2605 5210 10420 98849 197698 395396 494245 988490 1976980 51500329 103000658 206001316 257501645 515003290 1030006580