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1382465481 = 3460821827
BaseRepresentation
bin101001001100110…
…1011111111001001
310120100100112010020
41102121223333021
510312402343411
6345103011053
746154522415
oct12231537711
93510315106
101382465481
1164a402861
12326b99a89
1319054c617
14d1869d45
158157e606
hex5266bfc9

1382465481 has 4 divisors (see below), whose sum is σ = 1843287312. Its totient is φ = 921643652.

The previous prime is 1382465453. The next prime is 1382465489. The reversal of 1382465481 is 1845642831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1382465481 - 26 = 1382465417 is a prime.

It is a super-2 number, since 2×13824654812 = 3822421612313122722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1382465489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230410911 + ... + 230410916.

It is an arithmetic number, because the mean of its divisors is an integer number (460821828).

Almost surely, 21382465481 is an apocalyptic number.

It is an amenable number.

1382465481 is a deficient number, since it is larger than the sum of its proper divisors (460821831).

1382465481 is an equidigital number, since it uses as much as digits as its factorization.

1382465481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460821830.

The product of its digits is 184320, while the sum is 42.

The square root of 1382465481 is about 37181.5206924085. The cubic root of 1382465481 is about 1113.9989086712.

The spelling of 1382465481 in words is "one billion, three hundred eighty-two million, four hundred sixty-five thousand, four hundred eighty-one".

Divisors: 1 3 460821827 1382465481