Search a number
-
+
105650647 is a prime number
BaseRepresentation
bin1100100110000…
…01100111010111
321100210121102221
412103001213113
5204021310042
614252243211
72422005244
oct623014727
9240717387
10105650647
1154700993
122b470507
1318b7179b
14100625cb
15941dd67
hex64c19d7

105650647 has 2 divisors, whose sum is σ = 105650648. Its totient is φ = 105650646.

The previous prime is 105650641. The next prime is 105650681. The reversal of 105650647 is 746056501.

It is a happy number.

It is an a-pointer prime, because the next prime (105650681) can be obtained adding 105650647 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105650647 - 23 = 105650639 is a prime.

It is a super-2 number, since 2×1056506472 = 22324118423037218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105650641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52825323 + 52825324.

It is an arithmetic number, because the mean of its divisors is an integer number (52825324).

Almost surely, 2105650647 is an apocalyptic number.

105650647 is a deficient number, since it is larger than the sum of its proper divisors (1).

105650647 is an equidigital number, since it uses as much as digits as its factorization.

105650647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 105650647 is about 10278.6500572789. The cubic root of 105650647 is about 472.7418535455.

The spelling of 105650647 in words is "one hundred five million, six hundred fifty thousand, six hundred forty-seven".