Base | Representation |
---|---|
bin | 1101001001101… |
… | …0110011001111 |
3 | 10211210102022112 |
4 | 3102122303033 |
5 | 103110110030 |
6 | 5250134235 |
7 | 1236565241 |
oct | 322326317 |
9 | 124712275 |
10 | 55160015 |
11 | 29155599 |
12 | 1658137b |
13 | b573c81 |
14 | 747c091 |
15 | 4c98a95 |
hex | 349accf |
55160015 has 16 divisors (see below), whose sum is σ = 67907808. Its totient is φ = 42996096.
The previous prime is 55160009. The next prime is 55160029. The reversal of 55160015 is 51006155.
It is a cyclic number.
It is not a de Polignac number, because 55160015 - 28 = 55159759 is a prime.
It is a super-5 number, since 5×551600155 (a number of 40 digits) contains 55555 as substring.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42557 + ... + 43833.
It is an arithmetic number, because the mean of its divisors is an integer number (4244238).
Almost surely, 255160015 is an apocalyptic number.
55160015 is a deficient number, since it is larger than the sum of its proper divisors (12747793).
55160015 is a wasteful number, since it uses less digits than its factorization.
55160015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1498.
The product of its (nonzero) digits is 750, while the sum is 23.
The square root of 55160015 is about 7426.9788608828. The cubic root of 55160015 is about 380.6636947098.
The spelling of 55160015 in words is "fifty-five million, one hundred sixty thousand, fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •