Search a number
-
+
102690983 is a prime number
BaseRepresentation
bin1100001111011…
…11000010100111
321011020020112202
412013233002213
5202242102413
614105005115
72354600423
oct607570247
9234206482
10102690983
1152a6a28a
122a48379b
13183765c5
14d8d1b83
159036e58
hex61ef0a7

102690983 has 2 divisors, whose sum is σ = 102690984. Its totient is φ = 102690982.

The previous prime is 102690979. The next prime is 102691013. The reversal of 102690983 is 389096201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102690983 - 22 = 102690979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102690083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51345491 + 51345492.

It is an arithmetic number, because the mean of its divisors is an integer number (51345492).

Almost surely, 2102690983 is an apocalyptic number.

102690983 is a deficient number, since it is larger than the sum of its proper divisors (1).

102690983 is an equidigital number, since it uses as much as digits as its factorization.

102690983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 102690983 is about 10133.6559542941. The cubic root of 102690983 is about 468.2855645721.

The spelling of 102690983 in words is "one hundred two million, six hundred ninety thousand, nine hundred eighty-three".