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1383689108 = 222361793121
BaseRepresentation
bin101001001111001…
…0110101110010100
310120102122200121202
41102132112232110
510313211022413
6345145132032
746201110014
oct12236265624
93512580552
101383689108
1165006911a
1232748a018
1319088a569
14d1aa7c44
1581721e58
hex52796b94

1383689108 has 48 divisors (see below), whose sum is σ = 2601500160. Its totient is φ = 642470400.

The previous prime is 1383689107. The next prime is 1383689113. The reversal of 1383689108 is 8019863831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383689101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441788 + ... + 444908.

It is an arithmetic number, because the mean of its divisors is an integer number (54197920).

Almost surely, 21383689108 is an apocalyptic number.

It is an amenable number.

1383689108 is a deficient number, since it is larger than the sum of its proper divisors (1217811052).

1383689108 is a wasteful number, since it uses less digits than its factorization.

1383689108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3288 (or 3286 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 1383689108 is about 37197.9718264316. The cubic root of 1383689108 is about 1114.3274803887.

The spelling of 1383689108 in words is "one billion, three hundred eighty-three million, six hundred eighty-nine thousand, one hundred eight".

Divisors: 1 2 4 23 46 61 79 92 122 158 244 316 1403 1817 2806 3121 3634 4819 5612 6242 7268 9638 12484 19276 71783 110837 143566 190381 221674 246559 287132 380762 443348 493118 761524 986236 4378763 5670857 8757526 11341714 15040099 17515052 22683428 30080198 60160396 345922277 691844554 1383689108