Base | Representation |
---|---|
bin | 10001000001000… |
… | …00111001111011 |
3 | 100221120222222222 |
4 | 20200200321323 |
5 | 243020203430 |
6 | 22055234255 |
7 | 3352164566 |
oct | 1040407173 |
9 | 327528888 |
10 | 142741115 |
11 | 73634570 |
12 | 3b97898b |
13 | 23759bca |
14 | 14d594dd |
15 | c7e89e5 |
hex | 8820e7b |
142741115 has 16 divisors (see below), whose sum is σ = 190840320. Its totient is φ = 101601120.
The previous prime is 142741087. The next prime is 142741117. The reversal of 142741115 is 511147241.
It is not a de Polignac number, because 142741115 - 28 = 142740859 is a prime.
It is a super-2 number, since 2×1427411152 = 40750051822886450, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (142741117) 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, 25025 + ... + 30194.
It is an arithmetic number, because the mean of its divisors is an integer number (11927520).
Almost surely, 2142741115 is an apocalyptic number.
142741115 is a deficient number, since it is larger than the sum of its proper divisors (48099205).
142741115 is a wasteful number, since it uses less digits than its factorization.
142741115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55282.
The product of its digits is 1120, while the sum is 26.
The square root of 142741115 is about 11947.4313138850. The cubic root of 142741115 is about 522.6163931081.
Adding to 142741115 its reverse (511147241), we get a palindrome (653888356).
The spelling of 142741115 in words is "one hundred forty-two million, seven hundred forty-one thousand, one hundred fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •