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1285485482 = 21633943207
BaseRepresentation
bin100110010011110…
…1111001110101010
310022120212102120102
41030213233032222
510113041013412
6331320225402
743566306041
oct11447571652
93276772512
101285485482
115aa6942a6
122ba60b262
131764255c8
14c2a23558
1577cc48c2
hex4c9ef3aa

1285485482 has 8 divisors (see below), whose sum is σ = 1940058336. Its totient is φ = 638799372.

The previous prime is 1285485437. The next prime is 1285485493. The reversal of 1285485482 is 2845845821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1971278 + ... + 1971929.

It is an arithmetic number, because the mean of its divisors is an integer number (242507292).

Almost surely, 21285485482 is an apocalyptic number.

1285485482 is a deficient number, since it is larger than the sum of its proper divisors (654572854).

1285485482 is a wasteful number, since it uses less digits than its factorization.

1285485482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943372.

The product of its digits is 819200, while the sum is 47.

The square root of 1285485482 is about 35853.6676227133. The cubic root of 1285485482 is about 1087.3158663363.

The spelling of 1285485482 in words is "one billion, two hundred eighty-five million, four hundred eighty-five thousand, four hundred eighty-two".

Divisors: 1 2 163 326 3943207 7886414 642742741 1285485482