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1030529990 = 25747595309
BaseRepresentation
bin111101011011001…
…010001111000110
32122211010100101102
4331123022033012
54102303424430
6250131500102
734352234420
oct7533121706
92584110342
101030529990
11489786486
12249157632
13135669479
149ac17810
1560712345
hex3d6ca3c6

1030529990 has 64 divisors (see below), whose sum is σ = 2202163200. Its totient is φ = 339881856.

The previous prime is 1030529989. The next prime is 1030530013. The reversal of 1030529990 is 999250301.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191456 + ... + 196764.

It is an arithmetic number, because the mean of its divisors is an integer number (34408800).

Almost surely, 21030529990 is an apocalyptic number.

1030529990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1030529990 is an abundant number, since it is smaller than the sum of its proper divisors (1171633210).

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

1030529990 is a wasteful number, since it uses less digits than its factorization.

1030529990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5429.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 1030529990 is about 32101.8689487076. The cubic root of 1030529990 is about 1010.0748204546.

The spelling of 1030529990 in words is "one billion, thirty million, five hundred twenty-nine thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 35 47 59 70 94 118 235 295 329 413 470 590 658 826 1645 2065 2773 3290 4130 5309 5546 10618 13865 19411 26545 27730 37163 38822 53090 74326 97055 185815 194110 249523 313231 371630 499046 626462 1247615 1566155 1746661 2192617 2495230 3132310 3493322 4385234 8733305 10963085 14721857 17466610 21926170 29443714 73609285 103052999 147218570 206105998 515264995 1030529990