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485980690 = 251310137013
BaseRepresentation
bin11100111101110…
…111101000010010
31020212110101011211
4130331313220102
51443402340230
6120120130334
715020524216
oct3475675022
91225411154
10485980690
1122a361538
121169069aa
13798b6c50
1448786946
152c9e942a
hex1cf77a12

485980690 has 32 divisors (see below), whose sum is σ = 951407856. Its totient is φ = 177657600.

The previous prime is 485980669. The next prime is 485980721. The reversal of 485980690 is 96089584.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 257698809 + 228281881 = 16053^2 + 15109^2 .

It is a super-2 number, since 2×4859806902 = 472354462105752200, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 5377 + ... + 31636.

Almost surely, 2485980690 is an apocalyptic number.

485980690 is a deficient number, since it is larger than the sum of its proper divisors (465427166).

485980690 is a wasteful number, since it uses less digits than its factorization.

485980690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37134.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 485980690 is about 22044.9697210044. The cubic root of 485980690 is about 786.2120052613.

The spelling of 485980690 in words is "four hundred eighty-five million, nine hundred eighty thousand, six hundred ninety".

Divisors: 1 2 5 10 13 26 65 101 130 202 505 1010 1313 2626 6565 13130 37013 74026 185065 370130 481169 962338 2405845 3738313 4811690 7476626 18691565 37383130 48598069 97196138 242990345 485980690