Search a number
-
+
40771529 is a prime number
BaseRepresentation
bin1001101110000…
…1111111001001
32211201102000122
42123201333021
540414142104
64013513025
71003360301
oct233417711
984642018
1040771529
1121018287
12117a2775
1385a6a86
1455b4601
1538a56be
hex26e1fc9

40771529 has 2 divisors, whose sum is σ = 40771530. Its totient is φ = 40771528.

The previous prime is 40771501. The next prime is 40771531. The reversal of 40771529 is 92517704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36929929 + 3841600 = 6077^2 + 1960^2 .

It is a cyclic number.

It is not a de Polignac number, because 40771529 - 28 = 40771273 is a prime.

It is a super-3 number, since 3×407715293 (a number of 24 digits) contains 333 as substring.

Together with 40771531, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40711529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20385764 + 20385765.

It is an arithmetic number, because the mean of its divisors is an integer number (20385765).

Almost surely, 240771529 is an apocalyptic number.

It is an amenable number.

40771529 is a deficient number, since it is larger than the sum of its proper divisors (1).

40771529 is an equidigital number, since it uses as much as digits as its factorization.

40771529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 40771529 is about 6385.2587261598. The cubic root of 40771529 is about 344.1800284692.

The spelling of 40771529 in words is "forty million, seven hundred seventy-one thousand, five hundred twenty-nine".