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485890146 = 23276076353
BaseRepresentation
bin11100111101100…
…001100001100010
31020212021202222100
4130331201201202
51443341441041
6120114151230
715016666230
oct3475414142
91225252870
10485890146
1122a2aa505
12116882516
1379884981
1448761950
152c9cc6b6
hex1cf61862

485890146 has 48 divisors (see below), whose sum is σ = 1205328384. Its totient is φ = 138575232.

The previous prime is 485890109. The next prime is 485890199. The reversal of 485890146 is 641098584.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73306 + ... + 79658.

It is an arithmetic number, because the mean of its divisors is an integer number (25111008).

Almost surely, 2485890146 is an apocalyptic number.

485890146 is an abundant number, since it is smaller than the sum of its proper divisors (719438238).

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

485890146 is a wasteful number, since it uses less digits than its factorization.

485890146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6975 (or 6972 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 485890146 is about 22042.9160049209. The cubic root of 485890146 is about 786.1631753368.

The spelling of 485890146 in words is "four hundred eighty-five million, eight hundred ninety thousand, one hundred forty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 607 1214 1821 3642 4249 5463 6353 8498 10926 12706 12747 19059 25494 38118 38241 44471 57177 76482 88942 114354 133413 266826 400239 800478 3856271 7712542 11568813 23137626 26993897 34706439 53987794 69412878 80981691 161963382 242945073 485890146