Search a number
-
+
100507049 is a prime number
BaseRepresentation
bin1011111110110…
…01110110101001
321000010021202022
411333121312221
5201212211144
613550114225
72330203316
oct577316651
9230107668
10100507049
1151808485
12297ab975
1317a90536
14d4c3d0d
158c54cee
hex5fd9da9

100507049 has 2 divisors, whose sum is σ = 100507050. Its totient is φ = 100507048.

The previous prime is 100507037. The next prime is 100507051. The reversal of 100507049 is 940705001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87235600 + 13271449 = 9340^2 + 3643^2 .

It is an emirp because it is prime and its reverse (940705001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100507049 - 212 = 100502953 is a prime.

Together with 100507051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100557049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50253524 + 50253525.

It is an arithmetic number, because the mean of its divisors is an integer number (50253525).

Almost surely, 2100507049 is an apocalyptic number.

It is an amenable number.

100507049 is a deficient number, since it is larger than the sum of its proper divisors (1).

100507049 is an equidigital number, since it uses as much as digits as its factorization.

100507049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 100507049 is about 10025.3203938827. The cubic root of 100507049 is about 464.9420654688.

The spelling of 100507049 in words is "one hundred million, five hundred seven thousand, forty-nine".