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9008440490 = 257540723801
BaseRepresentation
bin10000110001111000…
…11110010010101010
3212020210222012012002
420120330132102222
5121422130043430
64045522051002
7436144323620
oct103074362252
925223865162
109008440490
113903036745
1218b4aa9a62
13b0744707a
146165b1510
1537ace7845
hex218f1e4aa

9008440490 has 32 divisors (see below), whose sum is σ = 18535855104. Its totient is φ = 3087907200.

The previous prime is 9008440489. The next prime is 9008440517. The reversal of 9008440490 is 940448009.

9008440490 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366590 + ... + 390390.

It is an arithmetic number, because the mean of its divisors is an integer number (579245472).

Almost surely, 29008440490 is an apocalyptic number.

9008440490 is an abundant number, since it is smaller than the sum of its proper divisors (9527414614).

9008440490 is a wasteful number, since it uses less digits than its factorization.

9008440490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29222.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 9008440490 is about 94912.8046682849. The cubic root of 9008440490 is about 2080.7338764253.

Adding to 9008440490 its reverse (940448009), we get a palindrome (9948888499).

The spelling of 9008440490 in words is "nine billion, eight million, four hundred forty thousand, four hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 5407 10814 23801 27035 37849 47602 54070 75698 119005 166607 189245 238010 333214 378490 833035 1666070 128692007 257384014 643460035 900844049 1286920070 1801688098 4504220245 9008440490