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103144130 = 2531210733
BaseRepresentation
bin1100010010111…
…01101011000010
321012002021010222
412021131223002
5202401103010
614122423042
72361465515
oct611355302
9235067128
10103144130
1153249791
122a661a82
13184a493b
14d9acd7c
1590c6355
hex625dac2

103144130 has 24 divisors (see below), whose sum is σ = 191859516. Its totient is φ = 39923040.

The previous prime is 103144127. The next prime is 103144159. The reversal of 103144130 is 31441301.

It can be written as a sum of positive squares in 2 ways, for example, as 92948881 + 10195249 = 9641^2 + 3193^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103144099 and 103144108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4244 + ... + 14976.

Almost surely, 2103144130 is an apocalyptic number.

103144130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103144130 is a deficient number, since it is larger than the sum of its proper divisors (88715386).

103144130 is a wasteful number, since it uses less digits than its factorization.

103144130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10802 (or 10771 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 103144130 is about 10155.9898582068. The cubic root of 103144130 is about 468.9733589158.

Adding to 103144130 its reverse (31441301), we get a palindrome (134585431).

The spelling of 103144130 in words is "one hundred three million, one hundred forty-four thousand, one hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 961 1922 4805 9610 10733 21466 53665 107330 332723 665446 1663615 3327230 10314413 20628826 51572065 103144130