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34644431 is a prime number
BaseRepresentation
bin1000010000101…
…0000111001111
32102012010020002
42010022013033
532332110211
63234314515
7600321113
oct204120717
972163202
1034644431
1118612968
12b728a3b
13723cc83
14485b743
15309503b
hex210a1cf

34644431 has 2 divisors, whose sum is σ = 34644432. Its totient is φ = 34644430.

The previous prime is 34644397. The next prime is 34644439. The reversal of 34644431 is 13444643.

It is a strong prime.

It is an emirp because it is prime and its reverse (13444643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34644431 - 26 = 34644367 is a prime.

It is a super-2 number, since 2×346444312 = 2400473198627522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 34644394 and 34644403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34644439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17322215 + 17322216.

It is an arithmetic number, because the mean of its divisors is an integer number (17322216).

Almost surely, 234644431 is an apocalyptic number.

34644431 is a deficient number, since it is larger than the sum of its proper divisors (1).

34644431 is an equidigital number, since it uses as much as digits as its factorization.

34644431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 29.

The square root of 34644431 is about 5885.9520045614. The cubic root of 34644431 is about 325.9951540550.

The spelling of 34644431 in words is "thirty-four million, six hundred forty-four thousand, four hundred thirty-one".