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102044205 = 35583987
BaseRepresentation
bin1100001010100…
…01001000101101
321010000101100000
412011101020231
5202110403310
614043054513
72346234654
oct605211055
9233011300
10102044205
115266835a
122a211439
13181ab0b3
14d7a419b
158e5a4c0
hex615122d

102044205 has 24 divisors (see below), whose sum is σ = 183429792. Its totient is φ = 54422928.

The previous prime is 102044197. The next prime is 102044249. The reversal of 102044205 is 502440201.

It is not a de Polignac number, because 102044205 - 23 = 102044197 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 40779 + ... + 43208.

It is an arithmetic number, because the mean of its divisors is an integer number (7642908).

Almost surely, 2102044205 is an apocalyptic number.

102044205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102044205 is a deficient number, since it is larger than the sum of its proper divisors (81385587).

102044205 is an frugal number, since it uses more digits than its factorization.

102044205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84007 (or 83995 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 102044205 is about 10101.6931749088. The cubic root of 102044205 is about 467.3003599145.

Adding to 102044205 its reverse (502440201), we get a palindrome (604484406).

The spelling of 102044205 in words is "one hundred two million, forty-four thousand, two hundred five".

Divisors: 1 3 5 9 15 27 45 81 135 243 405 1215 83987 251961 419935 755883 1259805 2267649 3779415 6802947 11338245 20408841 34014735 102044205