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103408137 = 337547133
BaseRepresentation
bin1100010100111…
…10001000001001
321012120200022000
412022132020021
5202433030022
614132221213
72363645310
oct612361011
9235520260
10103408137
115340a078
122a76a809
1318567b61
14da3b277
1591296ac
hex629e209

103408137 has 16 divisors (see below), whose sum is σ = 175082880. Its totient is φ = 59090256.

The previous prime is 103408103. The next prime is 103408139. The reversal of 103408137 is 731804301.

It is not a de Polignac number, because 103408137 - 26 = 103408073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 103408137.

It is not an unprimeable number, because it can be changed into a prime (103408139) 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 15 ways as a sum of consecutive naturals, for example, 273378 + ... + 273755.

It is an arithmetic number, because the mean of its divisors is an integer number (10942680).

Almost surely, 2103408137 is an apocalyptic number.

It is an amenable number.

103408137 is a deficient number, since it is larger than the sum of its proper divisors (71674743).

103408137 is an equidigital number, since it uses as much as digits as its factorization.

103408137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547149 (or 547143 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 103408137 is about 10168.9791523043. The cubic root of 103408137 is about 469.3731449989.

The spelling of 103408137 in words is "one hundred three million, four hundred eight thousand, one hundred thirty-seven".

Divisors: 1 3 7 9 21 27 63 189 547133 1641399 3829931 4924197 11489793 14772591 34469379 103408137