Base | Representation |
---|---|
bin | 1000010110100101… |
… | …1101000000001111 |
3 | 12210021011102010202 |
4 | 2011221131000033 |
5 | 14043003031211 |
6 | 1010254524115 |
7 | 106364460311 |
oct | 20551350017 |
9 | 5707142122 |
10 | 2242236431 |
11 | a50758466 |
12 | 526b0663b |
13 | 2996cc126 |
14 | 173b137b1 |
15 | d1cb153b |
hex | 85a5d00f |
2242236431 has 4 divisors (see below), whose sum is σ = 2243631600. Its totient is φ = 2240841264.
The previous prime is 2242236421. The next prime is 2242236449. The reversal of 2242236431 is 1346322422.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1346322422 = 2 ⋅673161211.
It is a cyclic number.
It is not a de Polignac number, because 2242236431 - 226 = 2175127567 is a prime.
It is a super-2 number, since 2×22422364312 = 10055248425007235522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2242236394 and 2242236403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2242236421) 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, 695171 + ... + 698388.
It is an arithmetic number, because the mean of its divisors is an integer number (560907900).
Almost surely, 22242236431 is an apocalyptic number.
2242236431 is a deficient number, since it is larger than the sum of its proper divisors (1395169).
2242236431 is a wasteful number, since it uses less digits than its factorization.
2242236431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1395168.
The product of its digits is 13824, while the sum is 29.
The square root of 2242236431 is about 47352.2589851846. The cubic root of 2242236431 is about 1308.8618265057.
Adding to 2242236431 its reverse (1346322422), we get a palindrome (3588558853).
The spelling of 2242236431 in words is "two billion, two hundred forty-two million, two hundred thirty-six thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •