Base | Representation |
---|---|
bin | 1100001011010… |
… | …11011101011001 |
3 | 21010012212020100 |
4 | 12011223131121 |
5 | 202122331100 |
6 | 14045250013 |
7 | 2350164213 |
oct | 605533531 |
9 | 233185210 |
10 | 102152025 |
11 | 52731368 |
12 | 2a263909 |
13 | 182181b1 |
14 | d7d15b3 |
15 | 8e7c400 |
hex | 616b759 |
102152025 has 18 divisors (see below), whose sum is σ = 182966030. Its totient is φ = 54480960.
The previous prime is 102152023. The next prime is 102152027. The reversal of 102152025 is 520251201.
It is an interprime number because it is at equal distance from previous prime (102152023) and next prime (102152027).
It can be written as a sum of positive squares in 3 ways, for example, as 576 + 102151449 = 24^2 + 10107^2 .
It is not a de Polignac number, because 102152025 - 21 = 102152023 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 102151989 and 102152007.
It is not an unprimeable number, because it can be changed into a prime (102152021) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 226780 + ... + 227229.
Almost surely, 2102152025 is an apocalyptic number.
102152025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
102152025 is a deficient number, since it is larger than the sum of its proper divisors (80814005).
102152025 is a wasteful number, since it uses less digits than its factorization.
102152025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 454025 (or 454017 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 18.
The square root of 102152025 is about 10107.0284950622. The cubic root of 102152025 is about 467.4648853109.
The spelling of 102152025 in words is "one hundred two million, one hundred fifty-two thousand, twenty-five".
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