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1378324483 = 2801492083
BaseRepresentation
bin101001000100111…
…1001000000000011
310120001120010201221
41102021321000003
510310322340413
6344434135511
746104364504
oct12211710003
93501503657
101378324483
11648034648
12325721597
1318c72c823
14d10acbab
158101268d
hex52279003

1378324483 has 4 divisors (see below), whose sum is σ = 1378819368. Its totient is φ = 1377829600.

The previous prime is 1378324457. The next prime is 1378324489. The reversal of 1378324483 is 3844238731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3844238731 = 31124007701.

It is a cyclic number.

It is not a de Polignac number, because 1378324483 - 29 = 1378323971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1378324489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243241 + ... + 248842.

It is an arithmetic number, because the mean of its divisors is an integer number (344704842).

Almost surely, 21378324483 is an apocalyptic number.

1378324483 is a deficient number, since it is larger than the sum of its proper divisors (494885).

1378324483 is an equidigital number, since it uses as much as digits as its factorization.

1378324483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494884.

The product of its digits is 387072, while the sum is 43.

The square root of 1378324483 is about 37125.7926918739. The cubic root of 1378324483 is about 1112.8855159809.

The spelling of 1378324483 in words is "one billion, three hundred seventy-eight million, three hundred twenty-four thousand, four hundred eighty-three".

Divisors: 1 2801 492083 1378324483