Base | Representation |
---|---|
bin | 1100001011101… |
… | …01101000110011 |
3 | 21010021222102102 |
4 | 12011311220303 |
5 | 202130144330 |
6 | 14050211015 |
7 | 2350426601 |
oct | 605655063 |
9 | 233258372 |
10 | 102193715 |
11 | 5275a718 |
12 | 2a283a6b |
13 | 18231170 |
14 | d802871 |
15 | 8e89945 |
hex | 6175a33 |
102193715 has 32 divisors (see below), whose sum is σ = 145950336. Its totient is φ = 67921920.
The previous prime is 102193687. The next prime is 102193717. The reversal of 102193715 is 517391201.
It is not a de Polignac number, because 102193715 - 28 = 102193459 is a prime.
It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102193717) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23405 + ... + 27425.
It is an arithmetic number, because the mean of its divisors is an integer number (4560948).
Almost surely, 2102193715 is an apocalyptic number.
102193715 is a deficient number, since it is larger than the sum of its proper divisors (43756621).
102193715 is a wasteful number, since it uses less digits than its factorization.
102193715 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4079.
The product of its (nonzero) digits is 1890, while the sum is 29.
The square root of 102193715 is about 10109.0907108404. The cubic root of 102193715 is about 467.5284701508.
The spelling of 102193715 in words is "one hundred two million, one hundred ninety-three thousand, seven hundred fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •