Base | Representation |
---|---|
bin | 1100001110011… |
… | …01010111010101 |
3 | 21010222020022221 |
4 | 12013031113111 |
5 | 202223144140 |
6 | 14102022341 |
7 | 2353454320 |
oct | 607152725 |
9 | 233866287 |
10 | 102553045 |
11 | 52985691 |
12 | 2a4179b1 |
13 | 1832889a |
14 | d8977b7 |
15 | 900b14a |
hex | 61cd5d5 |
102553045 has 16 divisors (see below), whose sum is σ = 140825088. Its totient is φ = 70231680.
The previous prime is 102553007. The next prime is 102553049. The reversal of 102553045 is 540355201.
It is not a de Polignac number, because 102553045 - 29 = 102552533 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102553049) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37060 + ... + 39730.
It is an arithmetic number, because the mean of its divisors is an integer number (8801568).
Almost surely, 2102553045 is an apocalyptic number.
It is an amenable number.
102553045 is a deficient number, since it is larger than the sum of its proper divisors (38272043).
102553045 is a wasteful number, since it uses less digits than its factorization.
102553045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3780.
The product of its (nonzero) digits is 3000, while the sum is 25.
The square root of 102553045 is about 10126.8477326363. The cubic root of 102553045 is about 468.0757982885.
The spelling of 102553045 in words is "one hundred two million, five hundred fifty-three thousand, forty-five".
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