Base | Representation |
---|---|
bin | 10000111011101… |
… | …10001010101010 |
3 | 100220021110200022 |
4 | 20131312022222 |
5 | 242330314040 |
6 | 22032240442 |
7 | 3343222643 |
oct | 1035661252 |
9 | 326243608 |
10 | 142041770 |
11 | 731a70a2 |
12 | 3b6a0122 |
13 | 235737b0 |
14 | 14c166ca |
15 | c70b6b5 |
hex | 87762aa |
142041770 has 16 divisors (see below), whose sum is σ = 275342760. Its totient is φ = 52446144.
The previous prime is 142041761. The next prime is 142041773. The reversal of 142041770 is 77140241.
142041770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 68442529 + 73599241 = 8273^2 + 8579^2 .
It is a Harshad number since it is a multiple of its sum of digits (26).
It is not an unprimeable number, because it can be changed into a prime (142041773) 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, 546185 + ... + 546444.
Almost surely, 2142041770 is an apocalyptic number.
142041770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142041770 is a deficient number, since it is larger than the sum of its proper divisors (133300990).
142041770 is a wasteful number, since it uses less digits than its factorization.
142041770 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1092649.
The product of its (nonzero) digits is 1568, while the sum is 26.
The square root of 142041770 is about 11918.1277892125. The cubic root of 142041770 is about 521.7614941692.
The spelling of 142041770 in words is "one hundred forty-two million, forty-one thousand, seven hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •