Search a number
-
+
39772049 is a prime number
BaseRepresentation
bin1001011110110…
…1111110010001
32202211121222212
42113231332101
540140201144
63540241505
7662025332
oct227557621
982747885
1039772049
11204a5369
12113a0295
138316b75
1453d4289
15375949e
hex25edf91

39772049 has 2 divisors, whose sum is σ = 39772050. Its totient is φ = 39772048.

The previous prime is 39772013. The next prime is 39772063. The reversal of 39772049 is 94027793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38254225 + 1517824 = 6185^2 + 1232^2 .

It is an emirp because it is prime and its reverse (94027793) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39772049 - 212 = 39767953 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 39771997 and 39772015.

It is not a weakly prime, because it can be changed into another prime (39772069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19886024 + 19886025.

It is an arithmetic number, because the mean of its divisors is an integer number (19886025).

Almost surely, 239772049 is an apocalyptic number.

It is an amenable number.

39772049 is a deficient number, since it is larger than the sum of its proper divisors (1).

39772049 is an equidigital number, since it uses as much as digits as its factorization.

39772049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 39772049 is about 6306.5084634844. The cubic root of 39772049 is about 341.3443001296.

The spelling of 39772049 in words is "thirty-nine million, seven hundred seventy-two thousand, forty-nine".