Base | Representation |
---|---|
bin | 10000111011110… |
… | …00010101100001 |
3 | 100220021220212110 |
4 | 20131320111201 |
5 | 242331110112 |
6 | 22032345533 |
7 | 3343260600 |
oct | 1035702541 |
9 | 326256773 |
10 | 142050657 |
11 | 73202841 |
12 | 3b6a52a9 |
13 | 23577858 |
14 | 14c19a37 |
15 | c70e13c |
hex | 8778561 |
142050657 has 24 divisors (see below), whose sum is σ = 233287776. Its totient is φ = 76395648.
The previous prime is 142050647. The next prime is 142050661. The reversal of 142050657 is 756050241.
It is not a de Polignac number, because 142050657 - 27 = 142050529 is a prime.
It is not an unprimeable number, because it can be changed into a prime (142050607) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25923 + ... + 30920.
It is an arithmetic number, because the mean of its divisors is an integer number (9720324).
Almost surely, 2142050657 is an apocalyptic number.
142050657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
It is an amenable number.
142050657 is a deficient number, since it is larger than the sum of its proper divisors (91237119).
142050657 is a wasteful number, since it uses less digits than its factorization.
142050657 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56877 (or 56870 counting only the distinct ones).
The product of its (nonzero) digits is 8400, while the sum is 30.
The square root of 142050657 is about 11918.5006187859. The cubic root of 142050657 is about 521.7723754701.
The spelling of 142050657 in words is "one hundred forty-two million, fifty thousand, six hundred fifty-seven".
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