Search a number
-
+
102244657 is a prime number
BaseRepresentation
bin1100001100000…
…10000100110001
321010101120022011
412012002010301
5202133312112
614051242521
72351031244
oct606020461
9233346264
10102244657
1152794a19
122a2a9441
131824b3c8
14d81725b
158e99aa7
hex6182131

102244657 has 2 divisors, whose sum is σ = 102244658. Its totient is φ = 102244656.

The previous prime is 102244631. The next prime is 102244697. The reversal of 102244657 is 756442201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84805681 + 17438976 = 9209^2 + 4176^2 .

It is a cyclic number.

It is not a de Polignac number, because 102244657 - 219 = 101720369 is a prime.

It is not a weakly prime, because it can be changed into another prime (102244627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51122328 + 51122329.

It is an arithmetic number, because the mean of its divisors is an integer number (51122329).

Almost surely, 2102244657 is an apocalyptic number.

It is an amenable number.

102244657 is a deficient number, since it is larger than the sum of its proper divisors (1).

102244657 is an equidigital number, since it uses as much as digits as its factorization.

102244657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 102244657 is about 10111.6100102803. The cubic root of 102244657 is about 467.6061425040.

Adding to 102244657 its reverse (756442201), we get a palindrome (858686858).

The spelling of 102244657 in words is "one hundred two million, two hundred forty-four thousand, six hundred fifty-seven".