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1485946561 = 11727185813
BaseRepresentation
bin101100010010001…
…1011111011000001
310211120001220110211
41120210123323001
511020400242221
6403240554121
751552223501
oct13044337301
93746056424
101485946561
116a2861710
12355782941
131a8b11728
141014c5a01
158a6c06e1
hex5891bec1

1485946561 has 8 divisors (see below), whose sum is σ = 1623271104. Its totient is φ = 1348995120.

The previous prime is 1485946543. The next prime is 1485946577. The reversal of 1485946561 is 1656495841.

It is a happy number.

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

It is not a de Polignac number, because 1485946561 - 211 = 1485944513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1485946361) 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, 84910 + ... + 100903.

It is an arithmetic number, because the mean of its divisors is an integer number (202908888).

Almost surely, 21485946561 is an apocalyptic number.

1485946561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1485946561 is a deficient number, since it is larger than the sum of its proper divisors (137324543).

1485946561 is a wasteful number, since it uses less digits than its factorization.

1485946561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186551.

The product of its digits is 1036800, while the sum is 49.

The square root of 1485946561 is about 38547.9773918166. The cubic root of 1485946561 is about 1141.1280925661.

The spelling of 1485946561 in words is "one billion, four hundred eighty-five million, nine hundred forty-six thousand, five hundred sixty-one".

Divisors: 1 11 727 7997 185813 2043943 135086051 1485946561