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1383469390 = 25313442003
BaseRepresentation
bin101001001110110…
…0001000101001110
310120102020112020001
41102131201011032
510313132010030
6345140314514
746166203312
oct12235410516
93512215201
101383469390
1164aa29036
123273a2a3a
13190811554
14d1a4bb42
15816cbcca
hex5276114e

1383469390 has 16 divisors (see below), whose sum is σ = 2498206608. Its totient is φ = 551618496.

The previous prime is 1383469361. The next prime is 1383469391. The reversal of 1383469390 is 939643831.

It is a self number, because there is not a number n which added to its sum of digits gives 1383469390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383469391) 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, 217872 + ... + 224131.

It is an arithmetic number, because the mean of its divisors is an integer number (156137913).

Almost surely, 21383469390 is an apocalyptic number.

1383469390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1383469390 is a deficient number, since it is larger than the sum of its proper divisors (1114737218).

1383469390 is a wasteful number, since it uses less digits than its factorization.

1383469390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442323.

The product of its (nonzero) digits is 419904, while the sum is 46.

The square root of 1383469390 is about 37195.0183492360. The cubic root of 1383469390 is about 1114.2684953743.

The spelling of 1383469390 in words is "one billion, three hundred eighty-three million, four hundred sixty-nine thousand, three hundred ninety".

Divisors: 1 2 5 10 313 626 1565 3130 442003 884006 2210015 4420030 138346939 276693878 691734695 1383469390