Base | Representation |
---|---|
bin | 101011010110000… |
… | …1011010110110111 |
3 | 10202100202021010102 |
4 | 1112230023112313 |
5 | 10434312441211 |
6 | 400153144315 |
7 | 51020243501 |
oct | 12654132667 |
9 | 3670667112 |
10 | 1454421431 |
11 | 686a8a391 |
12 | 3470bb09b |
13 | 1a24244c8 |
14 | db23ad71 |
15 | 87a44a3b |
hex | 56b0b5b7 |
1454421431 has 2 divisors, whose sum is σ = 1454421432. Its totient is φ = 1454421430.
The previous prime is 1454421421. The next prime is 1454421473. The reversal of 1454421431 is 1341244541.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1454421431 is a prime.
It is a super-2 number, since 2×14544214312 = 4230683397904175522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1454421394 and 1454421403.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1454421401) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727210715 + 727210716.
It is an arithmetic number, because the mean of its divisors is an integer number (727210716).
Almost surely, 21454421431 is an apocalyptic number.
1454421431 is a deficient number, since it is larger than the sum of its proper divisors (1).
1454421431 is an equidigital number, since it uses as much as digits as its factorization.
1454421431 is an evil number, because the sum of its binary digits is even.
The product of its digits is 7680, while the sum is 29.
The square root of 1454421431 is about 38136.8775727641. The cubic root of 1454421431 is about 1133.0004658447. Note that the first 3 decimals are identical.
Adding to 1454421431 its reverse (1341244541), we get a palindrome (2795665972).
The spelling of 1454421431 in words is "one billion, four hundred fifty-four million, four hundred twenty-one thousand, four hundred thirty-one".
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