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103381839 = 3411294001
BaseRepresentation
bin1100010100101…
…11101101001111
321012112100020000
412022113231033
5202431204324
614131455343
72363505531
oct612275517
9235470200
10103381839
11533a1340
122a757553
1318558bb2
14da31851
1591219c9
hex6297b4f

103381839 has 40 divisors (see below), whose sum is σ = 174327120. Its totient is φ = 60480000.

The previous prime is 103381823. The next prime is 103381843. The reversal of 103381839 is 938183301.

It is not a de Polignac number, because 103381839 - 24 = 103381823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103381819) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23839 + ... + 27839.

It is an arithmetic number, because the mean of its divisors is an integer number (4358178).

Almost surely, 2103381839 is an apocalyptic number.

103381839 is a deficient number, since it is larger than the sum of its proper divisors (70945281).

103381839 is a wasteful number, since it uses less digits than its factorization.

103381839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053 (or 4044 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 103381839 is about 10167.6860199359. The cubic root of 103381839 is about 469.3333524454. Note that the first 4 decimals are identical.

The spelling of 103381839 in words is "one hundred three million, three hundred eighty-one thousand, eight hundred thirty-nine".

Divisors: 1 3 9 11 27 29 33 81 87 99 261 297 319 783 891 957 2349 2871 4001 8613 12003 25839 36009 44011 108027 116029 132033 324081 348087 396099 1044261 1188297 1276319 3132783 3564891 3828957 9398349 11486871 34460613 103381839