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38708413 is a prime number
BaseRepresentation
bin1001001110101…
…0010010111101
32200211120221221
42103222102331
534402132123
63501353341
7650005342
oct223522275
980746857
1038708413
111a939227
1210b68851
1380339b3
1451d87c9
1535e925d
hex24ea4bd

38708413 has 2 divisors, whose sum is σ = 38708414. Its totient is φ = 38708412.

The previous prime is 38708399. The next prime is 38708437. The reversal of 38708413 is 31480783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35976004 + 2732409 = 5998^2 + 1653^2 .

It is a cyclic number.

It is not a de Polignac number, because 38708413 - 25 = 38708381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38708443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19354206 + 19354207.

It is an arithmetic number, because the mean of its divisors is an integer number (19354207).

Almost surely, 238708413 is an apocalyptic number.

It is an amenable number.

38708413 is a deficient number, since it is larger than the sum of its proper divisors (1).

38708413 is an equidigital number, since it uses as much as digits as its factorization.

38708413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 38708413 is about 6221.6085540638. The cubic root of 38708413 is about 338.2738726560.

The spelling of 38708413 in words is "thirty-eight million, seven hundred eight thousand, four hundred thirteen".