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7988413 is a prime number
BaseRepresentation
bin11110011110010010111101
3120000212001011
4132132102331
54021112123
6443115221
7124620556
oct36362275
916025034
107988413
1145668a4
122812b11
131869094
1410bd32d
15a7be0d
hex79e4bd

7988413 has 2 divisors, whose sum is σ = 7988414. Its totient is φ = 7988412.

The previous prime is 7988389. The next prime is 7988437. The reversal of 7988413 is 3148897.

It is a balanced prime because it is at equal distance from previous prime (7988389) and next prime (7988437).

It can be written as a sum of positive squares in only one way, i.e., 7252249 + 736164 = 2693^2 + 858^2 .

It is an emirp because it is prime and its reverse (3148897) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7988413 - 25 = 7988381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7988443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3994206 + 3994207.

It is an arithmetic number, because the mean of its divisors is an integer number (3994207).

Almost surely, 27988413 is an apocalyptic number.

It is an amenable number.

7988413 is a deficient number, since it is larger than the sum of its proper divisors (1).

7988413 is an equidigital number, since it uses as much as digits as its factorization.

7988413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 40.

The square root of 7988413 is about 2826.3780709594. The cubic root of 7988413 is about 199.9033950116.

It can be divided in two parts, 79884 and 13, that added together give a palindrome (79897).

The spelling of 7988413 in words is "seven million, nine hundred eighty-eight thousand, four hundred thirteen".