Base | Representation |
---|---|
bin | 1100001110010… |
… | …11011010100101 |
3 | 21010221211101020 |
4 | 12013023122211 |
5 | 202222420221 |
6 | 14101521353 |
7 | 2353422123 |
oct | 607133245 |
9 | 233854336 |
10 | 102545061 |
11 | 5297a693 |
12 | 2a413259 |
13 | 18325068 |
14 | d894913 |
15 | 9008ac6 |
hex | 61cb6a5 |
102545061 has 8 divisors (see below), whose sum is σ = 137173344. Its totient is φ = 68140080.
The previous prime is 102545057. The next prime is 102545077. The reversal of 102545061 is 160545201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 102545061 - 22 = 102545057 is a prime.
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102544061) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54750 + ... + 56591.
It is an arithmetic number, because the mean of its divisors is an integer number (17146668).
Almost surely, 2102545061 is an apocalyptic number.
It is an amenable number.
102545061 is a deficient number, since it is larger than the sum of its proper divisors (34628283).
102545061 is a wasteful number, since it uses less digits than its factorization.
102545061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111651.
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 102545061 is about 10126.4535252970. The cubic root of 102545061 is about 468.0636510329.
The spelling of 102545061 in words is "one hundred two million, five hundred forty-five thousand, sixty-one".
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