Base | Representation |
---|---|
bin | 10001000000000… |
… | …10001000001000 |
3 | 100221100121001211 |
4 | 20200002020020 |
5 | 243002140143 |
6 | 22052422504 |
7 | 3351131212 |
oct | 1040021010 |
9 | 327317054 |
10 | 142615048 |
11 | 73558884 |
12 | 3b917a34 |
13 | 23714704 |
14 | 14d255b2 |
15 | c7c149d |
hex | 8802208 |
142615048 has 8 divisors (see below), whose sum is σ = 267403230. Its totient is φ = 71307520.
The previous prime is 142615037. The next prime is 142615049. The reversal of 142615048 is 840516241.
It can be written as a sum of positive squares in only one way, i.e., 108951844 + 33663204 = 10438^2 + 5802^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (142615049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8913433 + ... + 8913448.
Almost surely, 2142615048 is an apocalyptic number.
It is an amenable number.
142615048 is a deficient number, since it is larger than the sum of its proper divisors (124788182).
142615048 is a wasteful number, since it uses less digits than its factorization.
142615048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17826887 (or 17826883 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 31.
The square root of 142615048 is about 11942.1542445239. The cubic root of 142615048 is about 522.4624919085.
The spelling of 142615048 in words is "one hundred forty-two million, six hundred fifteen thousand, forty-eight".
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