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1485982381 = 13196016123
BaseRepresentation
bin101100010010010…
…0100101010101101
310211120010201121111
41120210210222231
511020402414011
6403241432021
751552433102
oct13044445255
93746121544
101485982381
116a2886614
1235579b611
131a8b24b20
141014d4aa9
158a6cb121
hex58924aad

1485982381 has 8 divisors (see below), whose sum is σ = 1684514720. Its totient is φ = 1299482352.

The previous prime is 1485982361. The next prime is 1485982411. The reversal of 1485982381 is 1832895841.

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 1485982381 - 215 = 1485949613 is a prime.

It is a super-2 number, since 2×14859823812 = 4416287273284858322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485982361) 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, 3007815 + ... + 3008308.

It is an arithmetic number, because the mean of its divisors is an integer number (210564340).

Almost surely, 21485982381 is an apocalyptic number.

It is an amenable number.

1485982381 is a deficient number, since it is larger than the sum of its proper divisors (198532339).

1485982381 is a wasteful number, since it uses less digits than its factorization.

1485982381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6016155.

The product of its digits is 552960, while the sum is 49.

The square root of 1485982381 is about 38548.4420048333. The cubic root of 1485982381 is about 1141.1372617788.

The spelling of 1485982381 in words is "one billion, four hundred eighty-five million, nine hundred eighty-two thousand, three hundred eighty-one".

Divisors: 1 13 19 247 6016123 78209599 114306337 1485982381