Base | Representation |
---|---|
bin | 1100010001001… |
… | …11001100001111 |
3 | 21011122221000222 |
4 | 12020213030033 |
5 | 202321432400 |
6 | 14113541555 |
7 | 2356546103 |
oct | 610471417 |
9 | 234587028 |
10 | 102920975 |
11 | 53107063 |
12 | 2a5748bb |
13 | 184271b1 |
14 | d951903 |
15 | 9080185 |
hex | 622730f |
102920975 has 24 divisors (see below), whose sum is σ = 141017760. Its totient is φ = 74117120.
The previous prime is 102920959. The next prime is 102920981. The reversal of 102920975 is 579029201.
It is not a de Polignac number, because 102920975 - 24 = 102920959 is a prime.
It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
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 23 ways as a sum of consecutive naturals, for example, 4511 + ... + 15039.
It is an arithmetic number, because the mean of its divisors is an integer number (5875740).
Almost surely, 2102920975 is an apocalyptic number.
102920975 is a deficient number, since it is larger than the sum of its proper divisors (38096785).
102920975 is a wasteful number, since it uses less digits than its factorization.
102920975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10579 (or 10574 counting only the distinct ones).
The product of its (nonzero) digits is 11340, while the sum is 35.
The square root of 102920975 is about 10144.9975357316. The cubic root of 102920975 is about 468.6349027042.
The spelling of 102920975 in words is "one hundred two million, nine hundred twenty thousand, nine hundred seventy-five".
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