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485939721 = 3473446381
BaseRepresentation
bin11100111101101…
…101101000001001
31020212101021222110
4130331231220021
51443400032341
6120115212533
715020263611
oct3475555011
91225337873
10485939721
1122a333783
121168a7149
13798a13c7
1448775a41
152c9dc216
hex1cf6da09

485939721 has 8 divisors (see below), whose sum is σ = 661705344. Its totient is φ = 317066960.

The previous prime is 485939711. The next prime is 485939737. The reversal of 485939721 is 127939584.

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

It is a cyclic number.

It is not a de Polignac number, because 485939721 - 213 = 485931529 is a prime.

It is a super-2 number, since 2×4859397212 = 472274824891115682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (485939711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1723050 + ... + 1723331.

It is an arithmetic number, because the mean of its divisors is an integer number (82713168).

Almost surely, 2485939721 is an apocalyptic number.

It is an amenable number.

485939721 is a deficient number, since it is larger than the sum of its proper divisors (175765623).

485939721 is a wasteful number, since it uses less digits than its factorization.

485939721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3446431.

The product of its digits is 544320, while the sum is 48.

The square root of 485939721 is about 22044.0404871702. The cubic root of 485939721 is about 786.1899116367.

The spelling of 485939721 in words is "four hundred eighty-five million, nine hundred thirty-nine thousand, seven hundred twenty-one".

Divisors: 1 3 47 141 3446381 10339143 161979907 485939721