Base | Representation |
---|---|
bin | 11100111000010… |
… | …00000100110011 |
3 | 121212211210012020 |
4 | 32130020010303 |
5 | 444004113011 |
6 | 40012202523 |
7 | 6001061160 |
oct | 1634100463 |
9 | 555753166 |
10 | 242254131 |
11 | 114823129 |
12 | 69169443 |
13 | 3b25cb52 |
14 | 24261067 |
15 | 16404006 |
hex | e708133 |
242254131 has 48 divisors (see below), whose sum is σ = 401255424. Its totient is φ = 126911232.
The previous prime is 242254127. The next prime is 242254141. The reversal of 242254131 is 131452242.
It is not a de Polignac number, because 242254131 - 22 = 242254127 is a prime.
It is a super-2 number, since 2×2422541312 = 117374127973130322, which contains 22 as substring.
Its product of digits (1920) is a multiple of the sum of its prime factors (480).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (242254141) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 659910 + ... + 660276.
It is an arithmetic number, because the mean of its divisors is an integer number (8359488).
Almost surely, 2242254131 is an apocalyptic number.
242254131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
242254131 is a deficient number, since it is larger than the sum of its proper divisors (159001293).
242254131 is a wasteful number, since it uses less digits than its factorization.
242254131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 480 (or 437 counting only the distinct ones).
The product of its digits is 1920, while the sum is 24.
The square root of 242254131 is about 15564.5151225472. The cubic root of 242254131 is about 623.3860275228.
The spelling of 242254131 in words is "two hundred forty-two million, two hundred fifty-four thousand, one hundred thirty-one".
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