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103407689 = 72112107163
BaseRepresentation
bin1100010100111…
…10000001001001
321012120122200102
412022132001021
5202433021224
614132215145
72363644100
oct612360111
9235518612
10103407689
1153409800
122a76a4b5
13185678a8
14da3b037
1591294ae
hex629e049

103407689 has 36 divisors (see below), whose sum is σ = 134274672. Its totient is φ = 79334640.

The previous prime is 103407683. The next prime is 103407691. The reversal of 103407689 is 986704301.

It is not a de Polignac number, because 103407689 - 28 = 103407433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103407683) 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 35 ways as a sum of consecutive naturals, for example, 634322 + ... + 634484.

It is an arithmetic number, because the mean of its divisors is an integer number (3729852).

Almost surely, 2103407689 is an apocalyptic number.

It is an amenable number.

103407689 is a deficient number, since it is larger than the sum of its proper divisors (30866983).

103407689 is a wasteful number, since it uses less digits than its factorization.

103407689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 103407689 is about 10168.9571245040. The cubic root of 103407689 is about 469.3724671687.

The spelling of 103407689 in words is "one hundred three million, four hundred seven thousand, six hundred eighty-nine".

Divisors: 1 7 11 49 77 107 121 163 539 749 847 1141 1177 1793 5243 5929 7987 8239 12551 12947 17441 19723 57673 87857 90629 122087 138061 191851 634403 854609 966427 1342957 2110361 9400699 14772527 103407689