Search a number
-
+
16248949 is a prime number
BaseRepresentation
bin111101111111…
…000001110101
31010120112100221
4331333001311
513124431244
61340134341
7255054013
oct75770165
933515327
1016248949
119199092
1255373b1
13349bc82
14222d8b3
15165e784
hexf7f075

16248949 has 2 divisors, whose sum is σ = 16248950. Its totient is φ = 16248948.

The previous prime is 16248941. The next prime is 16248977. The reversal of 16248949 is 94984261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14668900 + 1580049 = 3830^2 + 1257^2 .

It is a cyclic number.

It is not a de Polignac number, because 16248949 - 23 = 16248941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16248941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8124474 + 8124475.

It is an arithmetic number, because the mean of its divisors is an integer number (8124475).

Almost surely, 216248949 is an apocalyptic number.

It is an amenable number.

16248949 is a deficient number, since it is larger than the sum of its proper divisors (1).

16248949 is an equidigital number, since it uses as much as digits as its factorization.

16248949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 43.

The square root of 16248949 is about 4030.9985115353. The cubic root of 16248949 is about 253.2843901679.

The spelling of 16248949 in words is "sixteen million, two hundred forty-eight thousand, nine hundred forty-nine".