Base | Representation |
---|---|
bin | 10000111101100… |
… | …00011001000011 |
3 | 100220201120211020 |
4 | 20132300121003 |
5 | 242410432014 |
6 | 22041320523 |
7 | 3345235152 |
oct | 1036603103 |
9 | 326646736 |
10 | 142280259 |
11 | 7334a2a0 |
12 | 3b796143 |
13 | 23628204 |
14 | 14c79599 |
15 | c7571a9 |
hex | 87b0643 |
142280259 has 32 divisors (see below), whose sum is σ = 220962816. Its totient is φ = 80478720.
The previous prime is 142280239. The next prime is 142280263. The reversal of 142280259 is 952082241.
It is not a de Polignac number, because 142280259 - 29 = 142279747 is a prime.
It is a super-2 number, since 2×1422802592 = 40487344202214162, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (142280239) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70249 + ... + 72245.
It is an arithmetic number, because the mean of its divisors is an integer number (6905088).
Almost surely, 2142280259 is an apocalyptic number.
142280259 is a deficient number, since it is larger than the sum of its proper divisors (78682557).
142280259 is a wasteful number, since it uses less digits than its factorization.
142280259 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2155.
The product of its (nonzero) digits is 11520, while the sum is 33.
The square root of 142280259 is about 11928.1288976939. The cubic root of 142280259 is about 522.0533444699.
The spelling of 142280259 in words is "one hundred forty-two million, two hundred eighty thousand, two hundred fifty-nine".
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