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1384939292 = 221135578849
BaseRepresentation
bin101001010001100…
…0111111100011100
310120112000012112212
41102203013330130
510314021024132
6345232015552
746214534612
oct12243077434
93515005485
101384939292
11650842430
123279915b8
13190c07609
14d1d116b2
15818bc5b2
hex528c7f1c

1384939292 has 24 divisors (see below), whose sum is σ = 2645017200. Its totient is φ = 629269760.

The previous prime is 1384939261. The next prime is 1384939301. The reversal of 1384939292 is 2929394831.

It is a super-2 number, since 2×13849392922 = 3836113685050922528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1384939292.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152084 + ... + 160932.

It is an arithmetic number, because the mean of its divisors is an integer number (110209050).

Almost surely, 21384939292 is an apocalyptic number.

It is an amenable number.

1384939292 is a deficient number, since it is larger than the sum of its proper divisors (1260077908).

1384939292 is a wasteful number, since it uses less digits than its factorization.

1384939292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12421 (or 12419 counting only the distinct ones).

The product of its digits is 839808, while the sum is 50.

The square root of 1384939292 is about 37214.7724969534. The cubic root of 1384939292 is about 1114.6629832659.

The spelling of 1384939292 in words is "one billion, three hundred eighty-four million, nine hundred thirty-nine thousand, two hundred ninety-two".

Divisors: 1 2 4 11 22 44 3557 7114 8849 14228 17698 35396 39127 78254 97339 156508 194678 389356 31475893 62951786 125903572 346234823 692469646 1384939292