Base | Representation |
---|---|
bin | 10001000001001… |
… | …11001101100101 |
3 | 100221122022102210 |
4 | 20200213031211 |
5 | 243022020244 |
6 | 22055554033 |
7 | 3352333113 |
oct | 1040471545 |
9 | 327568383 |
10 | 142766949 |
11 | 73651a16 |
12 | 3b98b919 |
13 | 237688b0 |
14 | 14d64ab3 |
15 | c8014b9 |
hex | 8827365 |
142766949 has 16 divisors (see below), whose sum is σ = 205373504. Its totient is φ = 87696000.
The previous prime is 142766933. The next prime is 142766951. The reversal of 142766949 is 949667241.
It is a happy number.
It is not a de Polignac number, because 142766949 - 24 = 142766933 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 142766898 and 142766907.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142766929) 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, 20394 + ... + 26484.
It is an arithmetic number, because the mean of its divisors is an integer number (12835844).
Almost surely, 2142766949 is an apocalyptic number.
It is an amenable number.
142766949 is a deficient number, since it is larger than the sum of its proper divisors (62606555).
142766949 is a wasteful number, since it uses less digits than its factorization.
142766949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6708.
The product of its digits is 653184, while the sum is 48.
The square root of 142766949 is about 11948.5124178703. The cubic root of 142766949 is about 522.6479197814.
The spelling of 142766949 in words is "one hundred forty-two million, seven hundred sixty-six thousand, nine hundred forty-nine".
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