Search a number
-
+
102081275 = 524083251
BaseRepresentation
bin1100001010110…
…10001011111011
321010002021011222
412011122023323
5202113100100
614043542255
72346451022
oct605321373
9233067158
10102081275
115269319a
122a22a98b
13181c1c2a
14d7b38b9
158e66485
hex615a2fb

102081275 has 6 divisors (see below), whose sum is σ = 126580812. Its totient is φ = 81665000.

The previous prime is 102081271. The next prime is 102081283. The reversal of 102081275 is 572180201.

It is not a de Polignac number, because 102081275 - 22 = 102081271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102081271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2041601 + ... + 2041650.

It is an arithmetic number, because the mean of its divisors is an integer number (21096802).

Almost surely, 2102081275 is an apocalyptic number.

102081275 is a deficient number, since it is larger than the sum of its proper divisors (24499537).

102081275 is an equidigital number, since it uses as much as digits as its factorization.

102081275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083261 (or 4083256 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 102081275 is about 10103.5278492218. The cubic root of 102081275 is about 467.3569390775.

The spelling of 102081275 in words is "one hundred two million, eighty-one thousand, two hundred seventy-five".

Divisors: 1 5 25 4083251 20416255 102081275