Base | Representation |
---|---|
bin | 10001000000011… |
… | …00000111000111 |
3 | 100221102200011110 |
4 | 20200030013013 |
5 | 243004442233 |
6 | 22053340103 |
7 | 3351361353 |
oct | 1040140707 |
9 | 327380143 |
10 | 142655943 |
11 | 73586581 |
12 | 3b937633 |
13 | 2372a201 |
14 | 14d36463 |
15 | c7cd663 |
hex | 880c1c7 |
142655943 has 8 divisors (see below), whose sum is σ = 192813808. Its totient is φ = 93801024.
The previous prime is 142655939. The next prime is 142655963. The reversal of 142655943 is 349556241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142655943 - 22 = 142655939 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142655963) 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, 325480 + ... + 325917.
It is an arithmetic number, because the mean of its divisors is an integer number (24101726).
Almost surely, 2142655943 is an apocalyptic number.
142655943 is a deficient number, since it is larger than the sum of its proper divisors (50157865).
142655943 is an equidigital number, since it uses as much as digits as its factorization.
142655943 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 651473.
The product of its digits is 129600, while the sum is 39.
The square root of 142655943 is about 11943.8663338134. The cubic root of 142655943 is about 522.5124260073.
It can be divided in two parts, 142 and 655943, that added together give a triangular number (656085 = T1145).
The spelling of 142655943 in words is "one hundred forty-two million, six hundred fifty-five thousand, nine hundred forty-three".
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