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38746949 is a prime number
BaseRepresentation
bin1001001111001…
…1101101000101
32200220112211012
42103303231011
534404400244
63502252005
7650225603
oct223635505
980815735
1038746949
111a96517a
1210b87005
1380483b7
145208873
15360589e
hex24f3b45

38746949 has 2 divisors, whose sum is σ = 38746950. Its totient is φ = 38746948.

The previous prime is 38746943. The next prime is 38746957. The reversal of 38746949 is 94964783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19518724 + 19228225 = 4418^2 + 4385^2 .

It is a cyclic number.

It is not a de Polignac number, because 38746949 - 212 = 38742853 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 38746897 and 38746906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38746943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19373474 + 19373475.

It is an arithmetic number, because the mean of its divisors is an integer number (19373475).

Almost surely, 238746949 is an apocalyptic number.

It is an amenable number.

38746949 is a deficient number, since it is larger than the sum of its proper divisors (1).

38746949 is an equidigital number, since it uses as much as digits as its factorization.

38746949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 50.

The square root of 38746949 is about 6224.7047319532. The cubic root of 38746949 is about 338.3860911416.

The spelling of 38746949 in words is "thirty-eight million, seven hundred forty-six thousand, nine hundred forty-nine".