Base | Representation |
---|---|
bin | 1001011110001010… |
… | …1011011011111111 |
3 | 20120012001212022210 |
4 | 2113202223123333 |
5 | 20201331403211 |
6 | 1100141311503 |
7 | 120001320633 |
oct | 22742533377 |
9 | 6505055283 |
10 | 2542450431 |
11 | 1095168704 |
12 | 5ab565593 |
13 | 316973451 |
14 | 1a1940dc3 |
15 | ed3139a6 |
hex | 978ab6ff |
2542450431 has 8 divisors (see below), whose sum is σ = 3437679744. Its totient is φ = 1671094040.
The previous prime is 2542450423. The next prime is 2542450441. The reversal of 2542450431 is 1340542452.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2542450431 - 23 = 2542450423 is a prime.
It is a super-2 number, since 2×25424504312 = 12928108388184171522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2542450441) 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, 5967981 + ... + 5968406.
It is an arithmetic number, because the mean of its divisors is an integer number (429709968).
Almost surely, 22542450431 is an apocalyptic number.
2542450431 is a deficient number, since it is larger than the sum of its proper divisors (895229313).
2542450431 is a wasteful number, since it uses less digits than its factorization.
2542450431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11936461.
The product of its (nonzero) digits is 19200, while the sum is 30.
The square root of 2542450431 is about 50422.7174099136. The cubic root of 2542450431 is about 1364.8476138436.
Adding to 2542450431 its reverse (1340542452), we get a palindrome (3882992883).
It can be divided in two parts, 25424 and 50431, that added together give a triangular number (75855 = T389).
The spelling of 2542450431 in words is "two billion, five hundred forty-two million, four hundred fifty thousand, four hundred thirty-one".
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