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103143201 = 37231791193
BaseRepresentation
bin1100010010111…
…01011100100001
321012002012212120
412021131130201
5202401040301
614122414453
72361463020
oct611353441
9235065776
10103143201
1153249017
122a661429
13184a43a5
14d9ac8b7
1590c5e36
hex625d721

103143201 has 32 divisors (see below), whose sum is σ = 165058560. Its totient is φ = 56014464.

The previous prime is 103143181. The next prime is 103143223. The reversal of 103143201 is 102341301.

It is not a de Polignac number, because 103143201 - 222 = 98948897 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103143281) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 85861 + ... + 87053.

It is an arithmetic number, because the mean of its divisors is an integer number (5158080).

Almost surely, 2103143201 is an apocalyptic number.

It is an amenable number.

103143201 is a deficient number, since it is larger than the sum of its proper divisors (61915359).

103143201 is a wasteful number, since it uses less digits than its factorization.

103143201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 103143201 is about 10155.9441215477. The cubic root of 103143201 is about 468.9719509262.

Adding to 103143201 its reverse (102341301), we get a palindrome (205484502).

The spelling of 103143201 in words is "one hundred three million, one hundred forty-three thousand, two hundred one".

Divisors: 1 3 7 21 23 69 161 179 483 537 1193 1253 3579 3759 4117 8351 12351 25053 27439 28819 82317 86457 192073 213547 576219 640641 1494829 4484487 4911581 14734743 34381067 103143201