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102045161 = 592935903
BaseRepresentation
bin1100001010100…
…01010111101001
321010000102122102
412011101113221
5202110421121
614043103145
72346240521
oct605212751
9233012572
10102045161
1152669049
122a211ab5
13181ab66a
14d7a4681
158e5a90b
hex61515e9

102045161 has 8 divisors (see below), whose sum is σ = 104146560. Its totient is φ = 99956272.

The previous prime is 102045137. The next prime is 102045179. The reversal of 102045161 is 161540201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102045161 - 214 = 102028777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102045121) 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 7 ways as a sum of consecutive naturals, for example, 14336 + ... + 20238.

It is an arithmetic number, because the mean of its divisors is an integer number (13018320).

Almost surely, 2102045161 is an apocalyptic number.

It is an amenable number.

102045161 is a deficient number, since it is larger than the sum of its proper divisors (2101399).

102045161 is an equidigital number, since it uses as much as digits as its factorization.

102045161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6255.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 102045161 is about 10101.7404935981. The cubic root of 102045161 is about 467.3018192093.

Adding to 102045161 its reverse (161540201), we get a palindrome (263585362).

The spelling of 102045161 in words is "one hundred two million, forty-five thousand, one hundred sixty-one".

Divisors: 1 59 293 5903 17287 348277 1729579 102045161