Base | Representation |
---|---|
bin | 10000111111000… |
… | …00001010100101 |
3 | 100221002112020201 |
4 | 20133200022211 |
5 | 242433212231 |
6 | 22045430501 |
7 | 3350011516 |
oct | 1037401245 |
9 | 327075221 |
10 | 142475941 |
11 | 73473313 |
12 | 3b86b431 |
13 | 236962ba |
14 | 14ccaa0d |
15 | c795161 |
hex | 87e02a5 |
142475941 has 4 divisors (see below), whose sum is σ = 145507392. Its totient is φ = 139444492.
The previous prime is 142475939. The next prime is 142475951. The reversal of 142475941 is 149574241.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 142475941 - 21 = 142475939 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 142475941.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142475911) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515655 + ... + 1515748.
It is an arithmetic number, because the mean of its divisors is an integer number (36376848).
Almost surely, 2142475941 is an apocalyptic number.
It is an amenable number.
142475941 is a deficient number, since it is larger than the sum of its proper divisors (3031451).
142475941 is an equidigital number, since it uses as much as digits as its factorization.
142475941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3031450.
The product of its digits is 40320, while the sum is 37.
The square root of 142475941 is about 11936.3286231571. The cubic root of 142475941 is about 522.2925663318.
The spelling of 142475941 in words is "one hundred forty-two million, four hundred seventy-five thousand, nine hundred forty-one".
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